US2022339239A1PendingUtilityA1

Use of melanocortins to treat insulin sensitivity

78
Assignee: IPSEN PHARMA SASPriority: Nov 5, 2007Filed: Jun 3, 2022Published: Oct 27, 2022
Est. expiryNov 5, 2027(~1.3 yrs left)· nominal 20-yr term from priority
A61K 38/33A61P 3/10A61K 38/04A61K 38/12A61P 3/00A61P 3/04A61P 43/00C07K 7/64A61P 5/50
78
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Claims

Abstract

The present invention relates to peptide ligands of the melanocortin receptors, in particular the melancortin-4 receptor, and as such, are useful in the treatment of disorders responsive to the activation of this receptor, such as insulin resistance.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method of treating insulin resistance in a subject in need thereof, comprising peripheral administration of an effective amount of a melanocortin receptor 4 agonist to treat said insulin resistance in said subject in need thereof. 
     
     
         2 . The method according to  claim 1 , where in said melanocortin receptor 4 agonist useful to treat insulin resistance is selected from the group consisting of: 
       
         
           
                 
                 
               
                   SEQ ID NO: 1 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trpβ-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 1 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-A6c-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 2 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Ahx-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 3 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Trp-Ala-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 3 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Trp-β-Ala-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 3 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Trp-Gaba-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 2 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 4 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Apn-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 5 
                     
                 
                   Ac-A6c-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 6 
                     
                 
                   Ac-D-2-Nal-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 6 
                     
                 
                   Ac-Cha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 6 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 7 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 7 
                     
                 
                   Ac-Nle-c(Cys-β-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 7 
                     
                 
                   Ac-Nle-c(Cys-Gaba-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 7 
                     
                 
                   Ac-Nle-c(Cys-Aib-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 7 
                     
                 
                   Ac-Nle-c(Cys-Gly-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 8 
                     
                 
                   Ac-Nle-c(D-Cys-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 8 
                     
                 
                   Ac-Nle-c(D-Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 8 
                     
                 
                   Ac-Nle-c(D-Cys-β-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 8 
                     
                 
                   Ac-Nle-c(D-Cys-Gaba-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 8 
                     
                 
                   Ac-Nle-c(D-Cys-Aib-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 8 
                     
                 
                   Ac-Nle-c(D-Cys-Gly-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 9 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 9 
                     
                 
                   Ac-Nle-c(Cys-β-Ala-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 9 
                     
                 
                   Ac-Nle-c(Cys-Gaba-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 9 
                     
                 
                   Ac-Nle-c(Cys-Aib-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 9 
                     
                 
                   Ac-Nle-c(Cys-Gly-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 10 
                     
                 
                   Ac-Nle-c(D-Cys-Ala-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 10 
                     
                 
                   Ac-Nle-c(D-Cys-D-Ala-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 10 
                     
                 
                   Ac-Nle-c(D-Cys-β-Ala-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 10 
                     
                 
                   Ac-Nle-c(D-Cys-Gaba-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 10 
                     
                 
                   Ac-Nle-c(D-Cys-Aib-His-D-Phe-Arg-Trp-D-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-Oic-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-Chg-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-D-Cha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-Nip-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-hPro-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-hLeu-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-Phe-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-D-Phe-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-D-Chg-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 12 
                     
                 
                   n-butanoyl-Cha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-hPhe-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-β-hMet-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 11 
                     
                 
                   Ac-Gaba-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 13 
                     
                 
                   Ac-Cha-c(Asp-His-D-Phe-Arg-D-Trp-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 13 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-D-Trp-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 13 
                     
                 
                   Ac-Leu-c(Asp-His-D-Phe-Arg-D-Trp-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 13 
                     
                 
                   Ac-hLeu-c(Asp-His-D-Phe-Arg-D-Trp-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 13 
                     
                 
                   Ac-Phe-c(Asp-His-D-Phe-Arg-D-Trp-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 14 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-D-Trp-D-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 14 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-D-Trp-β-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 14 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-D-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 14 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-D-Trp-Aha-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 14 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-D-Trp-Apn-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 15 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Apn-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 15 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 15 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Ahx-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 15 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-β-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 15 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-D-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 16 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 16 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-2-Nal-Arg-2-Nal-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 16 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-2-Nal-Arg-1-Nal-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 17 
                     
                 
                   n-butanoyl-Nle-c(Cys-D-Ala-His-D-Phe-Arg-2-Nal-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 17 
                     
                 
                   n-butanoyl-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 18 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-2-Nal-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 18 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-1-Nal-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 18 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Bal-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 59 
                     
                 
                   Ac-Nle-c(Cys-D-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 19 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-D-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 20 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-2-Nal-Arg-Bal-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 21 
                     
                 
                   Ac-Nle-c(Pen-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 22 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 22 
                     
                 
                   Ac-Nle-c(Pen-D-Ala-His-D-Phe-Arg-Trp-Pen)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 23 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-hArg-Trp-β-Ala-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 24 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 25 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Bip-β-Ala-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 24 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 26 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-hArg-Bip-β-Ala-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 26 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 27 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 28 
                     
                 
                   Ac-Nle-c(Asp-D-Ala-His-D-Phe-Arg-Trp-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 28 
                     
                 
                   Ac-Nle-c(Asp-D-Ala-His-D-Phe-Arg-Bal-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 29 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 30 
                     
                 
                   Ac-Nle-c(Cys-D-Abu-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 30 
                     
                 
                   Ac-Nle-c(Cys-D-Val-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 30 
                     
                 
                   Ac-Nle-c(Cys-D-Ile-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 30 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 30 
                     
                 
                   Ac-Nle-c(Cys-D-Tle-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 30 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 31 
                     
                 
                   Ac-Nle-c(Pen-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 32 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Pen)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 32 
                     
                 
                   Ac-Nle-c(Pen-His-D-Phe-Arg-Trp-Gaba-Pen)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 33 
                     
                 
                   Ac-Leu-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 33 
                     
                 
                   Ac-Cha-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 33 
                     
                 
                   Ac-Ile-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 33 
                     
                 
                   Ac-Phe-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 33 
                     
                 
                   Ac-Val-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 33 
                     
                 
                   Ac-2-Nal-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 34 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 34 
                     
                 
                   Phe-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 35 
                     
                 
                   Ac-Nle-c(Cys-3-Pal-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 36 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 37 
                     
                 
                   Ac-Nle-c(Cys-His-Phe-Arg-D-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 38 
                     
                 
                   Ac-Nle-c(Asp-His-D-2-Nal-Arg-Trp-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 38 
                     
                 
                   Ac-Nle-c(Asp-His-D-2-Nal-Arg-Trp-β-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 39 
                     
                 
                   Ac-Nle-c(Cys-His-D-2-Nal-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 39 
                     
                 
                   Ac-Nle-c(Cys-His-D-2-Nal-Arg-Trp-Ahx-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 40 
                     
                 
                   Ac-hPhe-c(Asp-His-D-2-Nal-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 40 
                     
                 
                   Ac-Cha-c(Asp-His-D-2-Nal-Arg-Trp-Gaba-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 41 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-β-Ala-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 42 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Ahx-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 43 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Trp-Ala-D-Cys)-Thr-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 43 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Trp-β-Ala-D-Cys)-Thr-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 43 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Trp-Gaba-D-Cys)-Thr-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 42 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 41 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Apn-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 44 
                     
                 
                   Ac-Cha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 44 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 44 
                     
                 
                   Ac-Chg-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 44 
                     
                 
                   Ac-D-Cha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 44 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 44 
                     
                 
                   Ac-D-Chg-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 44 
                     
                 
                   Ac-hPhe-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 45 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Gaba-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 45 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Ahx-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 45 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-β-Ala-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 45 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-D-Ala-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 46 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-2-Nal-Arg-Trp-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 46 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-2-Nal-Arg-2-Nal-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 46 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-2-Nal-Arg-1-Nal-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 46 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-2-Nal-Arg-Bal-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 47 
                     
                 
                   Ac-Nle-c(Pen-D-Ala-His-D-Phe-Arg-Trp-Cys)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 48 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Pen)-OH;  
                     
                 
                     
                 
                   SEQ ID NO: 49 
                     
                 
                   Ac-Arg-c(Cys-D-Ala-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 50 
                     
                 
                   Ac-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 50 
                     
                 
                   Ac-D-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 51 
                     
                 
                   Ac-D-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 52 
                     
                 
                   Ac-D-Arg-c(Cys-His-D-Phe-Arg-Trp-Gaba-Pen)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 52 
                     
                 
                   Ac-Arg-c(Cys-His-D-Phe-Arg-Trp-Gaba-Pen)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 51 
                     
                 
                   Ac-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 53 
                     
                 
                   Ac-D-Arg-c(Asp-His-D-Phe-Arg-Trp-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 53 
                     
                 
                   Ac-Arg-c(Asp-His-D-Phe-Arg-Trp-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 35 
                     
                 
                   Ac-Nle-c(Cys-3-Pal-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 54 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Gly-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 54 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-D-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 54 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-β-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 54 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Gaba-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 54 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Apn-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 55 
                     
                 
                   Ac-c(Cys-Glu-His-D-Phe-Arg-Trp-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 55 
                     
                 
                   Ac-c(Cys-Glu-His-D-Phe-Arg-2-Nal-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 56 
                     
                 
                   Ac-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 56 
                     
                 
                   Ac-c(Cys-D-Ala-His-D-Phe-Arg-2-Nal-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 57 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 57 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-β-Ala-Cys)-NH 2 ;  
                     
                 
                     
                 
                   SEQ ID NO: 58 
                     
                 
                   Ac-Nle-c(Asp-D-Ala-His-D-Phe-Arg-Bal-Ala-Lys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 60) 
                     
                 
                   Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 61) 
                     
                 
                   Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -Doc-Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 62) 
                     
                 
                   Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-β-Ala-Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 62) 
                     
                 
                   Ac-Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-β-Ala-Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 63) 
                     
                 
                   Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-(Doc) 2 -Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 64) 
                     
                 
                   Ac-Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-(Pro) 2 -Lys-Asp-Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 65) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Gly-Cys)-(Pro) 2 -Lys-Asp-Tyr-Gly-Arg-(Lys) 2 - 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 66) 
                     
                 
                   Ac-Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-(β-Ala) 2 -Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 67) 
                     
                 
                   Ac-Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-(Pro) 2 -Lys-Asp-Doc-Tyr-Gly-Arg-(Lys) 2 - 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 68) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Gly-Cys)-(Pro) 2 -Lys-Asp-Doc-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 69) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 69) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-Doc-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 70) 
                     
                 
                   Ac-Nle-c(Asp-His-D-2-Nal-Arg-Trp-Lys)-(Doc) 2 -Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 71) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 72) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 73) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 74) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 75) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -Arg-Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 76) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -Gln-(Arg) 5 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 77) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   Lys-Gln-Lys-(Arg) 5 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 78) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 4 -Gln-Arg-NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 79) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Aib-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 80) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 80) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 81) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 6 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 82) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 82) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 81) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 6 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 83) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 6 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 84) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 83) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 6 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 85) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 3 -Gln-(Arg) 2 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 86) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   Gln-(Lys) 2 -(Arg) 5 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 87) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 5 -Gln-NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 71) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 71) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   (Lys) 2 -(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 88) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 2 -Lys- 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 89) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Arg-Lys- 
                     
                 
                     
                 
                   (Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 88) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 2 -Lys- 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 90) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 2 - 
                     
                 
                     
                 
                   Lys-(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 91) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Gly-(Arg) 2 -Lys- 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 92) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Gly-Arg-Lys- 
                     
                 
                     
                 
                   (Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 95) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 2 - 
                     
                 
                     
                 
                   Lys-(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 96) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   Lys-(Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 97) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Gly-(Arg) 2 -Lys- 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 92) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Gly-Arg-Lys- 
                     
                 
                     
                 
                   (Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 98) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 2 -Lys- 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 99) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Arg-Lys- 
                     
                 
                     
                 
                   (Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 101) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg- 
                     
                 
                     
                 
                   Lys-(Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 104) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 2 -Lys- 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 105) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Arg-Lys-(Arg) 3 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 100) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 2 - 
                     
                 
                     
                 
                   Lys-(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 101) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-Arg-Lys- 
                     
                 
                     
                 
                   (Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 102) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Gly-(Arg) 2 -Lys- 
                     
                 
                     
                 
                   (Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 103) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Gly-Arg-Lys- 
                     
                 
                     
                 
                   (Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 113) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 113) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 114) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 114) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 115) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 115) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 116) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 116) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 118) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 118) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 119) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 6 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 120) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 120) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly- 
                     
                 
                     
                 
                   (Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 121) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 121) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly- 
                     
                 
                     
                 
                   (Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 122) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 6 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 122) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly- 
                     
                 
                     
                 
                   (Arg) 6 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 124) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 6 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 125) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 125) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 126) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 126) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly- 
                     
                 
                     
                 
                   (Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 127) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 6 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 127) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly- 
                     
                 
                     
                 
                   (Arg) 6 -Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 128) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 128) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly- 
                     
                 
                     
                 
                   (Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 130) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 130) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 133) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 134) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 134) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly-(Arg) 5 - 
                     
                 
                     
                 
                   Gln-(Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 135) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-β-Ala-Tyr-Gly-(Arg) 6 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 135) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Arg-Asp-β-Ala-Tyr-Gly-(Arg) 6 - 
                     
                 
                     
                 
                   Gln-(Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 136) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 137) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-Arg-(Lys) 2 -Arg-Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 136) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-Doc-Tyr-Gly-Arg-(Lys) 2 -(Arg) 2 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 138) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 138) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 139) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 140) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 141) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-(Arg) 2 -Lys-(Arg) 2 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 142) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-Arg-Lys-(Arg) 3 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 141) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Gly-(Arg) 2 -Lys-(Arg) 2 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 142) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Gly-Arg-Lys-(Arg) 3 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 143) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-(Arg) 2 -Lys-(Arg) 2 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 144) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Arg-Lys-(Arg) 3 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 148) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 148) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 149) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2; ; 
                     
                 
                     
                 
                   (SEQ ID NO: 149) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 151) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 150) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-Doc-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 150) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 151) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 152) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 152) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 154) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 153) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 154) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 155) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 155) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 157) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 156) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-Doc-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 156) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 157) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 158) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 158) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 159) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 160) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 161) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Ala-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 162) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Ala-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 164) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 163) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-β-Ala-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 163) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 164) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 165) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(β-Ala) 2 -Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 165) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 166) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 166) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-Doc-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 168) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 167) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 167) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(Doc) 2 -Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 168) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 170) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 169) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-β-Ala-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 169) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 170) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(β-Ala) 2 - Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 171) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(β-Ala) 2 -Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 171) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 173) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 172) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-Doc-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 172) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 173) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 174) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(Doc) 2 -Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 174) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Lys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 175) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-β-Ala-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 176) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-β-Ala-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 177) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Ahx-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 178) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Ahx-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 179) 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Trp-β-Ala-D-Cys)-Thr-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 180) 
                     
                 
                   D-Phe-c(Cys-His-D-Phe-Arg-Trp-β-Ala-D-Cys)-Thr-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 181) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 182) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 183) 
                     
                 
                   Ac-Cha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 184) 
                     
                 
                   Ac-Cha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 183) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 185) 
                     
                 
                   Ac-Nle-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 186) 
                     
                 
                   Ac-Chg-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 185) 
                     
                 
                   Ac-Chg-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 186) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 188) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 187) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 188) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 189) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 190) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 189) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 190) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 191) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 192) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 191) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 192) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 193) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 194) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 193) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 194) 
                     
                 
                   Ac-hCha-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 195) 
                     
                 
                   Ac-D-Chg-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 196) 
                     
                 
                   Ac-D-Chg-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 197) 
                     
                 
                   Ac-hPhe-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 198) 
                     
                 
                   Ac-hPhe-c(Asp-His-D-Phe-Arg-Trp-Gaba-Lys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 199) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Apn-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 200) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Apn-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 199) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Ahx-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 200) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-Ahx-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 201) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-β-Ala-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 202) 
                     
                 
                   Ac-Nle-c(Cys-His-D-Phe-Arg-D-Trp-β-Ala-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 203) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 203) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-β-Ala-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 205) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 204) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 204) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-(β-Ala) 2 -Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 205) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 207) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 206) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-Doc-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 206) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 207) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 208) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-(Doc) 2 -Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 208) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 209) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 210) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 209) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-β-Ala-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 211) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 212) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 213) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 213) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-(β-Ala) 2 -Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 267) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 214) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 216) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 214) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-Doc-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 217) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 215) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 216) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 215) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-(Doc) 2 -Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 217) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-Arg-Trp-β-Ala-D-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 218) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-β-Ala-Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 219) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 218) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 219) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 221) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-Doc-Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 220) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 221) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 222) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-β-Ala-Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 223) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 222) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ; 
                 
                     
                 
                   (SEQ ID NO: 223) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 224) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-Doc-Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 225) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 224) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 225) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Trp-β-Ala-D-Cys)-Thr-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 227) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-β-Ala-Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 226) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-β-Ala-Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 228) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 227) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 228) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 229) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-Doc-Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 230) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-Doc-Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 4 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 232) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 231) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln- 
                     
                 
                     
                 
                   (Arg) 3 -NH 2 ;  
                 
                     
                 
                   (SEQ ID NO: 232) 
                     
                 
                   D-Phe-c(Cys-His-D-(Et)Tyr-hArg-Bip-β-Ala-D-Cys)-Thr-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 233) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Gly-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 234) 
                     
                 
                   Ac-Nle-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Gly-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 235) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 236) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 235) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 236) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 237) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 238) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 237) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 238) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 239) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 240) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 239) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 240) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 241) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 242) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 241) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 242) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Apn-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 243) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 244) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 243) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 244) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 245) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 246) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 245) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 246) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 247) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 248) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 247) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 248) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 249) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 250) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 249) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 250) 
                     
                 
                   Ac-Nle-c(Cys-D-Leu-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 251) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 252) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 251) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 252) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 253) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 254) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 253) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 254) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 255) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 256) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 255) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 256) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 257) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 258) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 257) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 258) 
                     
                 
                   Ac-Nle-c(Cys-D-Cha-His-D-Phe-Arg-Trp-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 259) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 260) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 259) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 260) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 261) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-β-Ala-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 262) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-β-Ala-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 261) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-(β-Ala) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 262) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-(β-Ala) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 263) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 264) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-Doc-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 263) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 264) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 3 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 265) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-Doc-Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 266) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-Doc-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 265) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-(Doc) 2 -Tyr-Gly-(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 266) 
                     
                 
                   Nle-c(Cys-His-D-Phe-Arg-Trp-Gaba-Cys)-(Doc) 2 -(Arg) 5 -Gln-(Arg) 4 -NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 268) 
                     
                 
                   Ac-c(Cys-Glu-His-D-4-Br-Phe-Arg-Trp-Gly-Cys)-(Pro) 2 -Lys-Asp-NH 2;   
                     
                 
                     
                 
                   (SEQ ID NO: 269) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Ala-Cys)-(Pro) 2 -Lys-Asp-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 269) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 269) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-1-Nal-Ala-Cys)-(Pro) 2 -Lys-Asp-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 210) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-Bal-Ala-Cys)-(Pro) 2 -Lys-Asp-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 270) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-β-Ala-Cys)-(Pro) 2 -Lys-Asp-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 270) 
                     
                 
                   Ac-c(Cys-Glu-His-D-2-Nal-Arg-2-Nal-Aib-Cys)-(Pro) 2 -Lys-Asp-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 271) 
                     
                 
                   c[Hydantoin(C(O)-(Cys-D-Ala))-His-D-Phe-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 271) 
                     
                 
                   c[Hydantoin(C(O)-(hCys-D-Ala))-His-D-Phe-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 272) 
                     
                 
                   c[Hydantoin(C(O)-(Cys-D-Ala))-His-D-2-Nal-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 272) 
                     
                 
                   c[Hydantoin(C(O)-(hCys-D-Ala))-His-D-2-Nal-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 273) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-D-Ala))-His-D-Phe-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                   (SEQ ID NO: 273) 
                     
                 
                     
                 
                   c[Hydantoin(C(O)-(Asp-D-Ala))-His-D-Phe-Arg-Trp-Orn]-NH 2 ;  
                     
                 
                   (SEQ ID NO: 273) 
                     
                 
                     
                 
                   c[Hydantoin(C(O)-(Asp-D-Ala))-His-D-Phe-Arg-Trp-Dab]-NH 2 ;  
                     
                 
                   (SEQ ID NO: 273) 
                     
                 
                     
                 
                   c[Hydantoin(C(O)-(Asp-D-Ala))-His-D-Phe-Arg-Trp-Dap]-NH 2 ;  
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                     
                 
                   c[Hydantoin(C(O)-(Asp-His))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 274) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-His))-D-Phe-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 274) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-A3c))-D-Phe-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 274) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-A5c))-D-Phe-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 274) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-A6c))-D-Phe-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-A3c))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-A5c))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-A6c))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-A5c))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 274) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-Aic))-D-Phe-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 274) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-Apc))-D-Phe-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-Aic))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                   c[Hydantoin(C(O)-(Asp-Apc))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                   c[Hydantoin-(C(O)-(Asp-Aic))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 275) 
                     
                 
                   c[Hydantoin-(C(O)-(Asp-Apc))-D-2-Nal-Arg-Trp-Lys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 276) 
                     
                 
                   c[Hydantoin(C(O)-(Glu-D-Ala))-His-D-Phe-Arg-Trp-Orn]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 276) 
                     
                 
                   c[Hydantoin(C(O)-(Glu-D-Ala))-His-D-Phe-Arg-Trp-Dab]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 276) 
                     
                 
                   c[Hydantoin(C(O)-(Glu-D-Ala))-His-D-Phe-Arg-Trp-Dap]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 277) 
                     
                 
                   c[Hydantoin(C(O)-(Glu-His))-D-Phe-Arg-Trp-Dap]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 278) 
                     
                 
                   Hydantoin(C(O)-(Arg-Gly))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 278) 
                     
                 
                   Hydantoin(C(O)-(Nle-Gly))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 278) 
                     
                 
                   Hydantoin(C(O)-(Gly-Gly))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(Nle-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(Gly-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 280) 
                     
                 
                   Hydantoin(C(O)-(Nle-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 280) 
                     
                 
                   Hydantoin(C(O)-(Gly-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Pen)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(Ala-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(D-Ala-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(Aib-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(Val-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(Ile-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(Leu-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 281) 
                     
                 
                   Hydantoin(C(O)-(Gly-Gly))-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 281) 
                     
                 
                   Hydantoin(C(O)-(Nle-Gly))-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 278) 
                     
                 
                   Hydantoin(C(O)-(D-Arg-Gly))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(D-Arg-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 279) 
                     
                 
                   Hydantoin(C(O)-(Arg-Gly))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 282) 
                     
                 
                   Hydantoin(C(O)-(D-Arg-Gly))-c(Cys-D-Ala-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 282) 
                     
                 
                   Hydantoin(C(O)-(Arg-Gly))-c(Cys-D-Ala-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 283) 
                     
                 
                   Hydantoin(C(O)-(Ala-Nle))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 283) 
                     
                 
                   Hydantoin(C(O)-(Val-Nle))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 283) 
                     
                 
                   Hydantoin(C(O)-(Gly-Nle))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 284) 
                     
                 
                   Hydantoin(C(O)-(A6c-Nle))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 284) 
                     
                 
                   Hydantoin(C(O)-(Gly-Nle))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 284) 
                     
                 
                   Hydantoin(C(O)-(Ala-Nle))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 284) 
                     
                 
                   Hydantoin(C(O)-(D-Ala-Nle))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 284) 
                     
                 
                   Hydantoin(C(O)-(Val-Nle))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 284) 
                     
                 
                   Hydantoin(C(O)-(Leu-Nle))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 284) 
                     
                 
                   Hydantoin(C(O)-(Cha-Nle))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 284) 
                     
                 
                   Hydantoin(C(O)-(Aib-Nle))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 285) 
                     
                 
                   Hydantoin(C(O)-(Gly-Arg))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 285) 
                     
                 
                   Hydantoin(C(O)-(Gly-Arg))-c(Cys-Glu-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 286) 
                     
                 
                   Hydantoin(C(O)-(Gly-Arg))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 286) 
                     
                 
                   Hydantoin(C(O)-(Gly-Arg))-c(Cys-D-Ala-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 287) 
                     
                 
                   Hydantoin(C(O)-(Gly-D-Arg))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 288) 
                     
                 
                   Hydantoin(C(O)-(Gly-D-Arg))-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 288) 
                     
                 
                   Hydantoin(C(O)-(Gly-D-Arg))-c(Cys-D-Ala-His-D-2-Nal-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 289) 
                     
                 
                   Hydantoin(C(O)-(Nle-Ala))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Ala-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ,  
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Nle-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(D-Ala-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Aib-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Val-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Abu-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Leu-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Ile-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Cha-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(A6c-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Phe-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ; 
                     
                 
                     
                 
                   (SEQ ID NO: 290) 
                     
                 
                   c[Hydantoin(C(O)-(Gly-Cys))-D-Ala-His-D-Phe-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 291) 
                     
                 
                   c[Hydantoin(C(O)-(Gly-Cys))-Glu-His-D-Phe-Arg-Trp-Cys]-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 292) 
                     
                 
                   Ac-Tyr-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 292) 
                     
                 
                   Ac-2-Nal-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 292) 
                     
                 
                   Ac-1-Nal-Arg-c(Cys-D-Ala-His-DPhe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 292) 
                     
                 
                   Ac-Phe-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 292) 
                     
                 
                   Ac-Trp-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 292) 
                     
                 
                   Ac-Pff-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 293) 
                     
                 
                   H-His-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
                     
                 
                   (SEQ ID NO: 292) 
                     
                 
                   Ac-His-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2 ;  
                     
                 
             
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
                
               
            
           
         
       
       or a pharmaceutically acceptable salt thereof. 
     
     
         3 . The method according to  claim 2 , wherein said compound is Ac-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2  (SEQ ID NO:50) or a pharmaceutically acceptable salt thereof. 
     
     
         4 . The method according to  claim 2 , wherein said compound is Hydantoin(C(O)-(Arg-Gly))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2  (SEQ ID NO:278) or a pharmaceutically acceptable salt thereof. 
     
     
         5 . The method according to any one of  claims 1 - 4 , wherein said subject is obese. 
     
     
         6 . The method according to any one of  claims 1 - 4  wherein said subject is overweight. 
     
     
         7 . The method according to any one of  claims 1 - 4 , wherein said subject is normal weight. 
     
     
         8 . The method according to any one of  claims 1 - 4 , wherein said subject is lean. 
     
     
         9 . The method according to  claim 5 , wherein said obese subject suffers from type II diabetes. 
     
     
         10 . The method according to  claim 6 , wherein said overweight subject suffers from type II diabetes. 
     
     
         11 . The method according to  claim 7 , wherein said normal weight subject suffers from type II diabetes. 
     
     
         12 . The method according to  claim 8 , wherein said lean subject suffers from type II diabetes. 
     
     
         13 . The method according to  claim 1 , wherein said peripheral administration is oral, subcutaneous, intraperitoneal, intramuscular, intravenous, rectal, transdermal or intranasal. 
     
     
         14 . The method according to  claim 13 , wherein said administration is continuous, hourly, four times daily, three time daily, twice daily, once daily, once every other day, twice weekly, once weekly, once every two weeks, once a month, or once every two months. 
     
     
         15 . The method according to  claim 14 , wherein said administration is continuous. 
     
     
         16 . The method according to  claim 14 , wherein said administration is once daily. 
     
     
         17 . The method according to  claim 14 , wherein said administration is once weekly 
     
     
         18 . The method according to  claim 14 , wherein said administration is once every two weeks. 
     
     
         19 . The method according to  claim 14 , wherein said administration is once a month. 
     
     
         20 . The method according to  claim 14 , wherein said administration is once every two months. 
     
     
         21 . The method according to any one of  claims 1 - 4 , wherein said peripheral administration of an effective amount of a melanocortin receptor 4 agonist to treat said insulin resistance in a subject need thereof also reduces the body weight of said subject in need thereof. 
     
     
         22 . The method according to  claim 21 , wherein said compound is Ac-Arg-c(Cys-D-Ala-His-D-Phe-Arg-Trp-Cys)-NH 2  (SEQ ID NO:50) or a pharmaceutically acceptable salt thereof. 
     
     
         23 . The method according to  claim 21 , wherein said compound is Hydantoin(C(O)-(Arg-Gly))-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH 2  (SEQ ID NO:278) or a pharmaceutically acceptable salt thereof. 
     
     
         24 . The method according to any one of  claims 21 - 23 , wherein said subject is obese. 
     
     
         25 . The method according to any one of  claims 21 - 23 , wherein said subject is overweight. 
     
     
         26 . The method according to  claim 24 , wherein said obese subject suffers from type II diabetes. 
     
     
         27 . The method according to  claim 25 , wherein said overweight subject suffers from type II diabetes. 
     
     
         28 . The method according to  claim 21 , wherein said peripheral administration is oral, subcutaneous, intraperitoneal, intramuscular, intravenous, rectal, transdermal or intranasal. 
     
     
         29 . The method according to  claim 28 , wherein said administration is continuous, hourly, four times daily, three time daily, twice daily, once daily, once every other day, twice weekly, once weekly, once every two weeks, once a month, or once every two months. 
     
     
         30 . The method according to  claim 29 , wherein said administration is continuous. 
     
     
         31 . The method according to  claim 29 , wherein said administration is once daily. 
     
     
         32 . The method according to  claim 29 , wherein said administration is once weekly 
     
     
         33 . The method according to  claim 29 , wherein said administration is once every two weeks. 
     
     
         34 . The method according to  claim 29 , wherein said administration is once a month. 
     
     
         35 . The method according to  claim 29 , wherein said administration is once every two months.

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