Azetidines as MEK Inhibitors for the Treatment of Proliferative Diseases

Abstract

Disclosed are compounds of Formula (I) and pharmaceutically acceptable salts and solvates thereof. Such compounds are MEK inhibitors and are useful in the treatment of proliferative diseases, such as cancer. Also disclosed are pharmaceutical compositions containing such compounds as well as methods of using the compounds and compositions of the invention in the treatment of cancer.

1 - 43 . (canceled) 
     
     
         44 . A method of preparing a compound of formula I: 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt or solvate, thereof, wherein A, X, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and R 7  are as defined in Group A, Group B, Group C, or Group D: 
         Group A: 
         A is arylene optionally substituted with one, two, three or four groups selected from R 10 , R 12 , R 14 , R 16 , and R 19  where R 10 , R 12 , R 14  and R 16  are independently hydrogen, alkyl, alkenyl, alkynyl, halo, haloalkoxy, hydroxy, alkoxy, amino, alkylamino, dialkylamino, haloalkyl, —NHS(O) 2 R 8 , —CN, —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′  and —NR 8 C(O)R 8′  and where R 19  is hydrogen, alkyl, or alkenyl; 
         X is alkyl, halo, haloalkyl, or haloalkoxy; 
         R 1 , R 2 , R 3 , R 4 , R 5  and R 6  are independently hydrogen, halo, nitro, —NR 8 R 8′ , —OR 8 , —NHS(O) 2 R 8 , —CN, —S(O) m R 8 , —S(O) 2 NR 8 R 8′ , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)NR 8′ R 8″ , —N R 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2  NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, or heterocycloalkyl; where the alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two, three, four, five, six or seven groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, —OR 8 , —NR 8 R 8′ , —NR 8 S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; or one of R 1  and R 2  together with the carbon to which they are attached, R 3  and R 4  together with the carbon to which they are attached, and R 5  and R 6  together with the carbon to which they are attached form C(O) or C(═NOH); 
         m is 0, 1, or 2; 
         R 7  is hydrogen, halo or alkyl; 
         R 8 , R 8′  and R 8″  are independently selected from hydrogen, hydroxy, optionally substituted alkoxy, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl; where the alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two three, four, or five groups independently selected from alkyl, halo, hydroxy, hydroxyalkyl, optionally substituted alkoxy, alkoxyalkyl, haloalkyl, carboxy, alkoxycarbonyl, alkenyloxycarbonyl, optionally substituted cycloalkyl, optionally substituted cycloalkyloxycarbonyl, optionally substituted aryl, optionally substituted aryloxy, optionally substituted aryloxycarbonyl, optionally substituted arylalkyl, optionally substituted arylalkyloxy, optionally substituted arylalkyloxycarbonyl, nitro, cyano, optionally substituted heterocycloalkyl, optionally substituted heteroaryl, —S(O) n R 31  (where n is 0, 1, or 2 and R 31  is optionally substituted alkyl, optionally substituted aryl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), —NR 34 SO 2 R 34a  (where R 34  is hydrogen or alkyl and R 34a  is alkyl, alkenyl, cycloalkyl, aryl, heteroaryl, or heterocycloalkyl), —SO 2 NR 35 R 35a  (where R 35  is hydrogen or alkyl and R 35a  is alkyl, alkenyl, cycloalkyl, aryl, heteroaryl, or heterocycloalkyl), —NR 32 C(O)R 32a  (where R 32  is hydrogen or alkyl and R 32a  is alkyl, alkenyl, alkoxy, or cycloalkyl), —NR 30 R 30′  (where R 30  and R 30′  are independently hydrogen, alkyl, or hydroxyalkyl), and —C(O)NR 33 R 33a  (where R 33  is hydrogen or alkyl and R 33a  is alkyl, alkenyl, alkynyl, or cycloalkyl); and 
         R 9  is alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl; where the alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two, three, four, or five groups selected from halo, hydroxy, alkyl, haloalkyl, haloalkoxy, amino, alkylamino, and dialkylamino; 
         Group B: 
         A is heteroarylene optionally substituted with one, two, three, or four groups selected from R 10 , R 12 , R 14 , R 16  and R 19  where R 10 , R 12 , R 14  and R 16  are independently hydrogen, alkyl, alkenyl, alkynyl, halo, haloalkoxy, hydroxy, alkoxy, cyano, amino, alkylamino, dialkylamino, haloalkyl, alkylsulfonylamino, alkylcarbonyl, alkenylcarbonyl, alkoxycarbonyl, alkenyloxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, or alkylcarbonylamino; where R 19  is hydrogen, alkyl, or alkenyl; and where each alkyl and alkenyl, either alone or as part of another group within R 10 , R 12 , R 14 , R 16 , and R 19 , is independently optionally substituted with halo, hydroxy, or alkoxy; 
         X is alkyl, halo, haloalkyl, or haloalkoxy; 
         R 1 , R 2 , R 3 , R 4 , R 5  and R 6  are independently hydrogen, halo, nitro, —NR 8 R 8′ , —OR 8 , —NHS(O) 2 R 8 , —CN, —S(O) m R 8 , —S(O) 2 NR 8 R 8′ , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)NR 8′ R 8″ , —N R 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2  NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, or heterocycloalkyl, where the alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two, three, four, five, six or seven groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, —OR 8 , —NR 8 R 8′ , —NR 8 S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; or one of R 1  and R 2  together with the carbon to which they are attached, R 3  and R 4  together with the carbon to which they are attached, and R 5  and R 6  together with the carbon to which they are attached form C(O) or C(═NOH); 
         m is 1 or 2; 
         R 7  is hydrogen, halo or alkyl; and 
         R 8 , R 8′  and R 8″  are independently selected from hydrogen, hydroxy, optionally substituted alkoxy, alkyl, haloalkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl, where the alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two three, four, or five groups independently selected from alkyl, halo, hydroxy, hydroxyalkyl, optionally substituted alkoxy, alkoxyalkyl, haloalkyl, carboxy, carboxy ester, nitro, cyano, —S(O) n R 31  (where n is 0, 1, or 2 and R 31  is optionally substituted alkyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), —NR 36 S(O) 2 R 36a  (where R 36  is hydrogen, alkyl, or alkenyl and R 36a  is alkyl, alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), —S(O) 2 NR 37 R 37a  (where R 37  is hydrogen, alkyl, or alkenyl and R 37a  is alkyl, alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted aryloxy, optionally substituted arylalkyloxy, optionally substituted heteroaryl, —NHC(O)R 32  (where R 32  is alkyl, alkenyl, alkoxy, or cycloalkyl) and —NR 30 R 30′  (where R 30  and R 30′  are independently hydrogen, alkyl, or hydroxyalkyl), and —C(O)NHR 33  (where R 33  is alkyl, alkenyl, alkynyl, or cycloalkyl); 
         Group C: 
         A is 
       
       
         
           
           
               
               
           
         
         where R 10  is hydrogen, alkyl, alkenyl, alkynyl, halo, haloalkoxy, hydroxy, alkoxy, amino, alkylamino, dialkylamino, haloalkyl, —NHS(O) 2 R 8 , —CN, —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′  and —NR 8 C(O)R 8′ ; 
         R 10a  is hydrogen, alkyl, or alkenyl; 
         Y 1  is ═CH— or ═N—; 
         X is alkyl, halo, haloalkyl, or haloalkoxy; 
         R 1 , R 2 , R 3 , R 4 , R 5  and R 6  are independently hydrogen, halo, nitro, —NR 8 R 8′ , —OR 8 , —NHS(O) 2 R 8 , —CN, —S(O) m R 8 , —S(O) 2 NR 8 R 8′ , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)NR 8′ R 8″ , —N R 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2  NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, or heterocycloalkyl, where the alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two, three, four, five, six or seven groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, —OR 8 , —NR 8 R 8′ , —NR 8 S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; or one of R 1  and R 2  together with the carbon to which they are attached, R 3  and R 4  together with the carbon to which they are attached, and R 5  and R 6  together with the carbon to which they are attached form C(O) or C(═NOH); 
         m is 1 or 2; 
         R 7  is hydrogen, halo or alkyl; and 
         R 8 , R 8′  and R 8″  are independently selected from hydrogen, hydroxy, optionally substituted alkoxy, alkyl, haloalkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl, where the alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two three, four, or five groups independently selected from alkyl, halo, hydroxy, hydroxyalkyl, optionally substituted alkoxy, alkoxyalkyl, haloalkyl, carboxy, carboxy ester, nitro, cyano, —S(O) n R 31  (where n is 0, 1, or 2 and R 31  is optionally substituted alkyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), —NR 36 S(O) 2 R 36a  (where R 36  is hydrogen, alkyl, or alkenyl and R 36a  is alkyl, alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), —S(O) 2 NR 37 R 37a  (where R 37  is hydrogen, alkyl, or alkenyl and R 37a  is alkyl, alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted aryloxy, optionally substituted arylalkyloxy, optionally substituted heteroaryl, —NHC(O)R 32  (where R 32  is alkyl, alkenyl, alkoxy, or cycloalkyl) and —NR 30 R 30′  (where R 30  and R 30′  are independently hydrogen, alkyl, or hydroxyalkyl), and —C(O)NHR 33  (where R 33  is alkyl, alkenyl, alkynyl, or cycloalkyl); or 
       
       Group D:
 A is 
 
       
         
           
           
               
               
           
         
         R 40  and R 40a  are independently hydrogen or alkyl; 
         X is alkyl, halo, haloalkyl, or haloalkoxy; 
         R 1 , R 2 , R 3 , R 4 , R 5  and R 6  are independently hydrogen, halo, nitro, —NR 8 R 8′ , —OR 8 , —NHS(O) 2 R 8 , —CN, —S(O) m R 8 , —S(O) 2 NR 8 R 8′ , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)NR 8′ R 8″ , —N R 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2  NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, or heterocycloalkyl, where the alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two, three, four, five, six or seven groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, —OR 8 , —NR 8 R 8′ , —NR 8 S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; or one of R 1  and R 2  together with the carbon to which they are attached, R 3  and R 4  together with the carbon to which they are attached, and R 5  and R 6  together with the carbon to which they are attached form C(O) or C(═NOH); 
         m is 1 or 2; 
         R 7  is hydrogen, halo or alkyl; and 
         R 8 , R 8′  and R 8″  are independently selected from hydrogen, hydroxy, optionally substituted alkoxy, alkyl, haloalkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl, where the alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two three, four, or five groups independently selected from alkyl, halo, hydroxy, hydroxyalkyl, optionally substituted alkoxy, alkoxyalkyl, haloalkyl, carboxy, carboxy ester, nitro, cyano, —S(O) n R 31  (where n is 0, 1, or 2 and R 31  is optionally substituted alkyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), —NR 36 S(O) 2 R 36a  (where R 36  is hydrogen, alkyl, or alkenyl and R 36a  is alkyl, alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), —S(O) 2 NR 37 R 37a  (where R 37  is hydrogen, alkyl, or alkenyl and R 37a  is alkyl, alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, or optionally substituted heteroaryl), optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted aryloxy, optionally substituted arylalkyloxy, optionally substituted heteroaryl, —NHC(O)R 32  (where R 32  is alkyl, alkenyl, alkoxy, or cycloalkyl) and —NR 30 R 30′  (where R 30  and R 30′  are independently hydrogen, alkyl, or hydroxyalkyl), and —C(O)NHR 33  (where R 33  is alkyl, alkenyl, alkynyl, or cycloalkyl); 
         comprising the steps of:
 i) reacting an intermediate of formula 19 
 
       
       
         
           
           
               
               
           
         
         where X 1  is OH or halo, specifically chloro or fluoro, and all other groups are as defined in the Summary of the Invention for a compound selected from Group A, Group B, Group C, and Group D; with an intermediate of formula 17: 
       
       
         
           
           
               
               
           
         
         and
 ii) optionally modifying any of the R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  groups. 
 
       
     
     
         45 . The method of  claim 44 , wherein X 1  is OH, and the reaction occurs in the presence of a coupling reagent. 
     
     
         46 . The method of  claim 45 , wherein the reaction occurs in the presence of (benzotriazol-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate (PyBOP), N,N,N′,N′-tetramethyl-O-(1H-benzotriazol-1-yl)uranium hexafluorophosphate (HBTU) or 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDCI). 
     
     
         47 . The method of  claim 46 , wherein the reaction occurs in the presence of a base. 
     
     
         48 . The method of  claim 47 , wherein the reaction occurs in the presence of diisopropylethylamine (DIPEA), N-methylmorpholine, dimethylaminopyridine (DMAP) or triethylamine. 
     
     
         49 . The method of  claim 44 , wherein X 1  is halogen, and the reaction occurs in the presence of a base. 
     
     
         50 . The method of  claim 49 , wherein the reaction occurs in the presence of diisopropylethylamine (DIPEA) or sodium bicarbonate. 
     
     
         51 . The method of  claim 44 , wherein the reaction occurs in the presence of dimethyl formamide, tetrahydrofuran, 1,4-dioxane or dichloromethane. 
     
     
         52 . The method of  claim 44 , wherein A is phenylene optionally substituted with one or two groups selected from R 10 , R 12 , R 14 , and R 16  where R 10 , R 12 , R 14  and R 16  are independently hydrogen or halo;
 X is halo;   R 1 , R 2 , R 5  and R 6  are hydrogen;   R 3  is hydrogen, halo, hydroxy, alkoxy, or amino;   R 4  is hydrogen, —NR 8 R 8′ , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 , —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, cycloalkyl, heterocycloalkyl, or heteroaryl; where the alkyl is optionally substituted with one, two, or three groups independently selected from —OR 8 , halo, nitro, —S(O) m R 9 , optionally substituted heterocycloalkyl, —NR 8 R 8′ , —NR 8 C(O)R 8′ , —NR 8 S(O) 2 R 9 , —NR 8 C(O)OR 8′ , and aryl; where the cycloalkyl is optionally substituted with one or two groups selected from —OR 8  and —NR 8 R 8′ ; where the heterocycloalkyl is optionally substituted with one or two groups independently selected from alkyl and —C(O)OR 8 ; and where the heteroaryl is optionally substituted with —NR 8 R 8′ ; or   R 3  and R 4  together with the carbon to which they are attached form C(O) or C(═NOH);   m is 0;   R 7  is halo;   R 8  and R 8′  are independently selected from hydrogen, hydroxy, alkyl, alkenyl, alkynyl, aryl, heterocycloalkyl, heteroaryl, and cycloalkyl;   where the R 8  and R 8′  alkyl are independently optionally substituted with one, two, or three groups independently selected from hydroxy, —NR 30 R 30′  (where R 30  and R 30′  are independently hydrogen, alkyl, or hydroxyalkyl), optionally substituted heteroaryl, optionally substituted cycloalkyl), optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted aryl, optionally substituted heterocycloalkyl, optionally substituted heteroaryl, —C(O)NR 33 R 33a  (where R 33  is hydrogen or alkyl and R 33a  is alkyl, alkenyl, alkynyl, or cycloalkyl), optionally substituted aryloxy, —S(O) n R 31  (where n is 0 and R 31  is alkyl), carboxy, alkoxycarbonyl, and —NR 32 C(O)R 32a  (where R 32  is hydrogen or alkyl and R 32a  is alkyl, alkenyl, alkoxy, or cycloalkyl); or where the alkyl is optionally substituted with one, two, three, four, or five halo;   where the R 8  and R 8′  heteroaryl are independently optionally substituted with one or two groups independently selected from amino and alkyl;   where the R 8  and R 8′  heterocycloalkyl are independently optionally substituted with one, two, or three groups independently selected from alkyl, alkoxycarbonyl, optionally substituted arylalkyl, hydroxy, alkoxy, and hydroxyalkyl;   where the R 8  and R 8′  aryl are independently optionally substituted with one or two groups independently selected from hydroxy, alkoxy, halo, —NR 32 C(O)R 32a  (where R 32  is hydrogen or alkyl and R 32a  is alkyl, alkenyl, alkoxy, or cycloalkyl), and —NR 34 SO 2 R 34a  (where R 34  is hydrogen or alkyl and R 34a  is alkyl, alkenyl, cycloalkyl, aryl, heteroaryl, or heterocycloalkyl); and   where the R 8  and R 8′  cycloalkyl are independently optionally substituted with one, two, or three groups independently selected from hydroxy, hydroxyalkyl, alkoxy, carboxy, —C(O)NR 33 R 33a  (where R 33  is hydrogen or alkyl and R 33a  is alkyl, alkenyl, alkynyl, or cycloalkyl), and optionally substituted cycloalkyl; and   R 9  is alkyl or aryl;   
     
     
         53 . The method of  claim 52  where R 3  is halo, nitro, —NR 8 R 8′ , —OR 8 , —NHS(O) 2 R 8 , —CN, —S(O) m R 8 , —S(O) 2 NR 8 R 8′ , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O) OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, or heterocycloalkyl; where the alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two, three, four, five, six or seven groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, —OR 8 , —NR 8 R 8′ , —NR 8 S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; and R 4  is as defined in claim  1 ; or R 3  and R 4  together with the carbon to which they are attached form C(O) or C(═NOH). 
     
     
         54 . The method of  claim 44  where R 3  and R 4  are independently halo, nitro, —NR 8 R 8′ , —OR 8 , —NHS(O) 2 R 8 , —CN, —S(O) m R 8 , —S(O) 2 NR 8 R 8′ , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(N R 25a R 25b ), —CH 2 NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 2 a)(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, or heterocycloalkyl; where the alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two, three, four, five, six or seven groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, —OR 8 , —NR 8 R 8′ , —NR S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; or R 3  and R 4  together with the carbon to which they are attached form C(O) or C(═NOH). 
     
     
         55 . The method according to  claim 44  wherein R 7  is halo. 
     
     
         56 . The method according to  claim 44  wherein X is halo. 
     
     
         57 . The method according to  claim 44  wherein R 1 , R 2 , R 5 , and R 6  are hydrogen. 
     
     
         58 . The method of  claim 44  wherein A is phenylene; and R 4  is —NR 8 R 8′  (where R 8  is hydrogen, hydroxy, alkyl, alkoxy, aryl, cycloalkyl, heteroaryl, or heterocycloalkyl and R 8′  is hydroxy, alkoxy, aryl, cycloalkyl, heteroaryl, or heterocycloalkyl), —NHS(O) 2 R 8 , —CN, —S(O) m R 8 , —S(O) 2 NR 8 R 8′ , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkenyl, or alkynyl; where the alkenyl and alkynyl are optionally substituted with one, two, three, four, five, six or seven groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, —OR 8 , —NR 8 R 8′ , —NR 8 S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; or R 3  and R 4  together with the carbon to which they are attached form C(O) or C(═NOH). 
     
     
         59 . The method of  claim 44  where R 3  is hydrogen, halo, hydroxy, amino, or alkoxy. 
     
     
         60 . The method of  claim 44  where R 4  is hydrogen, —NR 8 R 8′ , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2  NR 25 C(═NH)(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, cycloalkyl, heterocycloalkyl, or heteroaryl; where the alkyl is optionally substituted with one, two, or three —OR 8 , halo, nitro, —S(O) m R 9 , optionally substituted heterocycloalkyl, —NR 8 R 8′ , —NR 8 C(O)R 8′ , —NR 8 S(O) 2 R 9 , —NR 8 C(O)OR 8′ , aryl; where the cycloalkyl is optionally substituted with one or two —NR 8 R 8′ ; where the heterocycloalkyl is optionally substituted with one or two groups independently selected from alkyl and —C(O)OR 8 ; and where the heteroaryl is optionally substituted with —NR 8 R 8′ . 
     
     
         61 . The method of  claim 44  wherein A is phenylene optionally substituted with one or two groups independently selected from R 10 , R 12 , R 14 , and R 16  where R 10 , R 12 , R 14  and R 16  are independently hydrogen or halo. 
     
     
         62 . The method of  claim 44  wherein A is phenylene; R 3  is hydrogen; and R 4  is hydrogen, —NR 8 R 8′ , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , alkyl, or heterocycloalkyl; where the alkyl is optionally substituted with one or two groups independently selected from —OR 8  and —NR 8 R 8′ ; and where the heterocycloalkyl is optionally substituted with —NR 8 R 8′ . 
     
     
         63 . The method of  claim 44  wherein A is phenylene; R 3  is alkoxy; and R 4  is alkyl or heterocycloalkyl where the alkyl is substituted with —NR 8 R 8′ . 
     
     
         64 . The method of  claim 44  wherein A is phenylene; R 3  is halo; and R 4  is alkyl or heterocycloalkyl where the alkyl is substituted with —NR 8 R 8′ . 
     
     
         65 . The method of  claim 44  selected from Group A where A is phenylene and R 3  and R 4  together with the carbon to which they are attached form C(O) or C(═NOH). 
     
     
         66 . The method of  claim 44  wherein A is phenylene; R 3  is hydroxy; and R 4  is hydrogen, —C(O)NR 8 R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, heterocycloalkyl, cycloalkyl, heterocycloalkyl, or heteroaryl; where the alkyl is optionally substituted with one, two, or three groups selected from —OR 8 , halo, nitro, —S(O) m R 9 , optionally substituted heterocycloalkyl, —NR 8 R 8′ , —NR 8 C(O)R 8′ , optionally substituted heteroaryl, —NR 8 S(O) 2 R 9 , —NR 8 C(O)OR 8′ , and aryl; where the cycloalkyl is optionally substituted with one or two groups independently selected from —NR 8 R 8′  and —C(O)NR 33 R 33a ; where the heterocycloalkyl is optionally substituted with one, two or three groups independently selected from alkyl and —C(O)OR 8 ; and where the heteroaryl is optionally substituted with —NR 8 R 8′ . 
     
     
         67 . The method of  claim 44  wherein A is phenylene; R 7  is iodo or bromo; X is fluoro or chloro; and R 1 , R 2 , R 5 , and R 6  are hydrogen; and R 10 , R 12 , R 14 , and R 16  are independently hydrogen or fluoro. 
     
     
         68 . The method of  claim 67  where R 10  is 3-fluoro and R 12 , R 14 , and R 16  are hydrogen or halo; R 10  is 3-fluoro, R 12  is 4-fluoro, and R 14  and R 16  are hydrogen; R 10  is 4-fluoro, R 12  is 5-fluoro, and R 14  and R 16  are hydrogen; R 10  is 4-fluoro, R 12  is 6-fluoro, and R 14  and R 16  are hydrogen; or R 12  is 4-fluoro and R 10 , R 14 , and R 16  are hydrogen. 
     
     
         69 . The method of  claim 44  wherein A is phenylene and R 3  is hydroxy. 
     
     
         70 . The method of  claim 69  where R 4  is —C(O)NR 8 R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —CH 2 NR 25 C(═NH)(R 25 ), —CH 2 NR 25 C(NR 25a R 25b )═C H(NO 2 ), alkyl, cycloalkyl, heterocycloalkyl, or heteroaryl; where the alkyl, cycloalkyl, heteroaryl, and heterocycloalkyl are independently optionally substituted with one, two, three, or four groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, —OR 8 , —NR 8 R 8′ , —NR 8 S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; or where the alkyl is optionally substituted with one, two, three, four, five, six or seven halo. 
     
     
         71 . The method of  claim 70  where R 4  is alkyl, heterocycloalkyl, or heteroaryl; where the alkyl is optionally substituted with —NR 8 R 8′ ; where the heterocycloalkyl is optionally substituted with alkyl or —C(O)OR 8 ; and where the heteroaryl is optionally substituted with alkyl. 
     
     
         72 . The method of  claim 44  where
 R 1  is halo, nitro, —NR 8 R 8′ , —OR 8 , —NHS(O) 2 R 8 , —CN, —S(O) m R 8 , —S(O) 2 NR 8 R 8′ , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)OR 8′ , —NR 8 C(O)NR 8′ R 8 , —NR 8 C(O)OR 8′ , —NR 8 C(O)R 8′ , —CH 2 N(R 25 )(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(NR 25a R 25b ), —CH 2 NR 25 C(═NH)(N(R 25a )(NO 2 )), —CH 2 NR 25 C(═NH)(N(R 25a )(CN)), —C H 2 NR 25 C(═NH)(R 25 ), or —CH 2 NR 25 C(NR 25a R 25b )═CH(NO 2 ), alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, or heterocycloalkyl; where the alkyl, alkenyl, alkynyl, cycloalkyl, heteroaryl, or heterocycloalkyl are independently optionally substituted with one, two, three, four, five, six or seven groups independently selected from halo, alkyl, haloalkyl, nitro, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, —OR 8 , —NR 8 R 8′ , —NR 8 S(O) 2 R 9 , —CN, —S(O) m R 9 , —C(O)R 8 , —C(O)OR 8 , —C(O)NR 8 R 8′ , —NR 8 C(O)NR 8′ R 8″ , —NR 8 C(O)OR 8′  and —NR 8 C(O)R 8′ ; 
 R 3  is hydroxy; and R 4  is heterocycloalkyl, alkyl, or heteroaryl, where the alkyl is optionally substituted with —NR 8 R 8′  and where the heteroaryl is optionally substituted with alkyl. 
 
     
     
         73 . A process of  claim 44 , wherein the compound is selected from the group consisting of:
 1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}-carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-one;   6-(azetidin-1-ylcarbonyl)-2,3-difluoro-N-(2-fluoro-4-iodophenyl)aniline;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(hydroxymethyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(trifluoromethyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-prop-2-en-1-ylazetidin-3-ol;   3-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]propane-1,2-diol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-ethylazetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-methylazetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-ethenylazetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-one; oxime;   [1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]methanol;   1-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]ethane-1,2-diol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-amine;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-hydroxyazetidine-3-carboxamide;   1,1-dimethylethyl [1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]carbamate;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(pyrrolidin-1-ylmethyl)azetidin-3-ol;   3-[(diethylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(dimethylamino)methyl]azetidin-3-ol;   N-butyl-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidine-3-carboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-prop-2-en-1-ylazetidine-3-carboxamide;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-2-methylpropanamide;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]formamide;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]lphenyl}carbonyl)azetidin-3-yl]-3,4-dihydroxybutanamide;   methyl [1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]carbamate;   N-butyl-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-amine;   1-({4-[(2-fluoro-4-iodophenyl)amino]-3-thienyl}carbonyl)azetidin-3-amine;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(2R)-piperidin-2-yl]azetidin-3-ol;   (R)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-pyrrolidin-2-ylazetidin-3-ol;   (S)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-pyrrolidin-2-ylazetidin-3-ol;   3-(aminomethyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-[(1S)-1-aminoethyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-[(1R)-1-aminoethyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   (R)-(3-(1-aminopropyl)-3-hydroxyazetidin-1-yl)(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)phenyl)methanone;   (S)-(3-(1-aminopropyl)-3-hydroxyazetidin-1-yl)(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)phenyl)methanone;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-ethylazetidine-3-carboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-(2-hydroxyethyl)azetidine-3-carboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-(2-piperidin-1-ylethyl)azetidine-3-carboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-phenylazetidine-3-carboxamide;   N-[2-(diethylamino)ethyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidine-3-carboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(morpholin-4-ylmethyl)azetidin-3-o;   1-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hiydroxyazetidin-3-yl]methyl}piperidin-4-ol;   3-{[bis(2-hydroxyethyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-2-(4-methylpiperazin-1-yl)acetamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(4-methylpiperazin-1-yl)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(4-methyl-1,4-diazepan-1-yl)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[methyl(1-methylpyrrolidin-3-yl)amino]methyl}azetidin-3-ol;   3-(1,4′-bipiperidin-1′-ylmethyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-N,N-bis(2-hydroxyethyl)glycinamide;   3-({4-[2-(diethylamino)ethyl]piperazin-1-yl}methyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-hydroxyethyl)(methyl)amino]methyl}azetidin-3-ol;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-2-piperidin-1-ylacetamide;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-N3-(2-hydroxyethyl)-N3-methyl-beta-alaninamide;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-N3,N3-bis(2-hydroxyethyl)-beta-alaninamide;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-N2,N2-diethylglycinamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-methylazetidin-3-amine;   1-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-N,N-dimethylpyrrolidin-3-amine;   2-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]amino}ethanol;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]propane-13-diamine;   3-[(dimethylamino)methyl]-1-({4-[(2-fluoro-4-iodophenyl)amino]-3-thienyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-methyl-N-(2-pyridin-2-ylethyl)azetidin-3-amine;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]-N2-methylglycinamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-ethylazetidin-3-amine;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-(2-methylpropyl)azetidin-3-amine;   N-(cyclopropylmethyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-amine;   N-(cyclohexylmethyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-amine;   N-(cyclopentylmethyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-amine;   3-(azetidin-1-ylmethyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-[(2,3-dihydroxypropyl)oxy]azetidine-3-carboxamide;   2-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-2-yl]methyl}amino)ethanol;   N-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-2-yl]methyl}ethane-1,2-diamine;   N-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-yl]glycinamide;   6-({3-[(dimethylamino)methyl]azetidin-1-yl}carbonyl)-2,3-difluoro-N-(2-fluoro-4-iodophenyl)aniline;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1-methylethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-(3,4-dihydroxybutyl)azetidine-3-carboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-(2,3-dihydroxypropyl)azetidine-3-carboxamide;   1-({2,4-difluoro-6-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-amine;   1-({4,5-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-amine;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidine-3-carboxamide;   6-{[3-(aminomethyl)-3-(methyloxy)azetidin-1-yl]carbonyl}-2,3-difluoro-N-(2-fluoro-4-iodophenyl)aniline;   N-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}acetamide;   2,3-difluoro-N-(2-fluoro-4-iodophenyl)-6-[(3-{[(1-methylethyl)amino]methyl}azetidin-1-yl)carbonyl]aniline;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(ethylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{2-[(1-methylethyl)amino]ethyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(2-hydroxy-1,1-dimethylethyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{1,1-dimethyl-2-[(1-methylethyl)amino]ethyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1-methylethyl)amino]methyl}azetidin-3-amine;   3-[(cyclopropylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2,2,2-trifluoroethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1H-imidazol-1-ylmethyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1,1-dimethylethyl)amino]methyl}azetidin-3-ol;   3-[(cyclopentylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxy-N-prop-2-en-1-ylazetidine-3-carboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-N-(2,3-dihydroxypropyl)-3-hydroxyazetidine-3-carboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1H-1,2,3-triazol-1-ylmethyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2,2-dimethylpropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(propylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-methylpropyl)amino]methyl}azetidin-3-ol;   3-{[(cyclopropylmethyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(phenylmethyl)amino]methyl}azetidin-3-ol;   3-{[(cyclohexylmethyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-[(butylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(1-ethylpyrrolidin-2-yl)methyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-hydroxyethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(dimethylamino)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-hydroxy-1,1-dimethylethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(4-methylphenyl)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(prop-2-en-1-ylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(1-methylpyrrolidin-2-yl)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(2,3-dihydro-1H-inden-2-ylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(tetrahydrofuran-2-ylmethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(tetrahydro-2H-pyran-4-yl)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(1S,2S)-2-hydroxycyclopentyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1,1-dimethylprop-2-yn-1-yl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(3-pyrrolidin-1-ylpropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1,2-dimethylpropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(1H-imidazol-4-yl)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[1-methyl-2-(methyloxy)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[3-(ethyloxy)propyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1-ethylpropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(3,3-dimethylbutyl)amino]methyl}azetidin-3-ol;   ethyl 4-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)piperidine-1-carboxylate;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(3-methylbutyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(ethyloxy)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[3-(dimethylamino)propyl]amino}methyl)azetidin-3-ol;   3-[(cyclobutylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-({[3-(diethylamino)propyl]amino}methyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[3-(1H-imidazol-1-yl)propyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(methylthio)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[1-(phenylmethyl)piperidin-4-yl]amino}methyl)azetidin-3-ol;   3-({[2,2-bis(methyloxy)ethyl]amino}methyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1,1,3,3-tetramethylbutyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1,1-dimethylpropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(2,3-dihydro-1H-inden-1-ylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[({2-[(phenylmethyl)oxy]cyclopentyl}amino)methyl]azetidin-3-ol;   3-{[(3-amino-2-hydroxypropyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-hydroxy-1-(phenylmethyl)ethyl]amino}methyl)azetidin-3-ol;   3-[(cyclooctylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-{[(1-cyclohexylethyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-[(cycloheptylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-pyridin-3-ylethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[3-(methylthio)propyl]amino}methyl)azetidin-3-ol;   N-cyclohexyl-N˜2˜-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}-2-methylalaninamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(tetrahydro-2H-pyran-4-ylmethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(3-hydroxypropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-pyridin-4-ylethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[1-(phenylmethyl)pyrrolidin-3-yl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(2-thienyl)ethyl]amino}methyl)azetidin-3-ol;   3-[({2-[bis(1-methylethyl)amino]ethyl}amino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(phenyloxy)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(phenylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-hydroxypropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[({2-[(1-methylethyl)oxy]ethyl}amino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1-ethylpiperidin-3-yl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(methyloxy)ethyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1-nitropropyl)azetidin-3-ol;   3-(1-aminoethyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(1-methylpiperidin-4-yl)methyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[4-(dimethylamino)butyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-furan-2-ylethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{1-[(1,1-dimethylethyl)amino]ethyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-ethylbutyl)amino]methyl}azetidin-3-ol;   1-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}pyrrolidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({(2S)-2-[(methyloxy)methyl]pyrrolidin-1-yl}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-hydroxyphenyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(4-hydroxyphenyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(3-hydroxyphenyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(phenyloxy)methyl]azetidin-3-o;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1r,3r,5R,7R)-tricyclo[3.3.1.1˜3,7˜]dec-2-ylamino]methyl}azetidin-3-ol;   3-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)propane-1,2-diol;   N-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}-L-alanine;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(phenylthio)methyl]azetidin-3-ol;   N-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}-D-alanine;   methyl N-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}alaninate;   3-[({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)oxy]propane-1,2-diol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(5-methyl-,3,4-oxadiazol-2-yl)methyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1-methylbutyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1-methylpropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-methylbutyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(pentylamino)methyl]azetidin-3-ol;   3-[(1S)-1-aminoethyl]-1-({8-fluoro-7-[(2-fluoro-4-iodophenyl)amino]imidazo[1,2-a]pyridin-6-yl}carbonyl)azetidin-3-ol;   1-({8-fluoro-7-[(2-fluoro-4-iodophenyl)amino]imidazo[1,2-a]pyridin-6-yl}carbonyl)-3-[(1S)-1-(methylamino) ethyl]azetidin-3-ol;   3-[(cyclohexylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[1-(ethylamino)ethyl]azetidin-3-ol;   3-[(azepan-3-ylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(dimethylamino)-1-methylethyl]amino}methyl)azetidin-3-ol;   N-cyclopropyl-1-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)cyclopentanecarboxamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[2-(2,3-dihydro-1H-indol-3-yl)ethyl]amino}methyl)azetidin-3-ol;   N˜2˜-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}-N-ethyl-2-methylalaninamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(2-methylhydrazino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(hydroxyamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(methyloxy)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(ethyloxy)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[1-(ethylamino)propyl]azetidin-3-ol;   3-[(azetidin-3-ylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(1,3-thiazol-2-ylamino)methyl]azetidin-3-ol;   3-(1H-benzimidazol-2-yl)-1-({8-fluoro-7-[(2-fluoro-4-iodophenyl)amino]imidazo[1,2-a]pyridin-6-yl}carbonyl)azetidin-3-ol;   3-(1H-benzimidazol-2-yl)-1-({7-[(4-bromo-2-fluorophenyl)amino]-8-fluoroimidazo[1,2-a]pyridin-6-yl}carbonyl)azetidin-3-ol;   1,1-dimethylethyl [3-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)propyl]carbamate;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(pyrrolidin-2-ylmethyl)amino]methyl}azetidin-3-ol;   1,1-dimethylethyl 4-[({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)methyl]piperidine-1-carboxylate;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(2-hydroxyphenyl)methyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(3-hydroxyphenyl)methyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(4-hydroxyphenyl)methyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(4-hydroxybutyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-hydroxyethyl)oxy]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(1S,2S)-2-hydroxycyclohexyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(1,1-dimethyl-2-pyrrolidin-1-ylethyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(1-methyl-1H-imidazol-4-yl)methyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(1-methyl-1H-imidazol-5-yl)methyl]amino}methyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[(2S)-2-(methyloxy)cyclopentyl]amino}methyl)azetidin-3-ol;   3-{[1,1′-bi(cyclohexyl)-2-ylamino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[3-(methyloxy)phenyl]amino}methyl)azetidin-3-ol;   1-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)cyclopentanecarboxylic acid;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(4-fluorophenyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(1,3,5-triazin-2-ylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(trans-4-hydroxycyclohexyl)amino]methyl}azetidin-3-ol;   3-[(cyclopent-3-en-1-ylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   N-[4-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)phenyl]acetamide;   N-[3-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)phenyl]acetamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1-methylpyrrolidin-2-yl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(1H-1,2,4-triazol-3-ylamino)methyl]azetidin-3-ol;   3-[1-(diethylamino)propyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)-5-(hydroxymethyl)cyclopentane-1,2-diol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-piperidin-2-ylazetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(3-fluorophenyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1-methylpiperidin-2-yl)azetidin-3-ol;   1-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}guanidine;   1-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-y]methyl}-3-nitroguanidine;   N-{1-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]ethyl}acetamide;   (2R)—N-{1-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]ethyl}-3,3,3-trifluoro-2-(methyloxy)-2-phenylpropanamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(piperidin-4-ylmethyl)amino]methyl}azetidin-3-ol;   3-{[(3-aminopropyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[({[2-(4-methylpiperazin-1-yl)phenyl]methyl}amino)methyl]azetidin-3-ol;   3-{[(1,1-dimethylethyl)amino]methyl}-1-({4-[(2-fluoro-4-iodophenyl)amino]-3-thienyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-hydroxycyclohexyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2,2,3,3,3-pentafluoropropyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(3,3,3-trifluoropropyl)amino]methyl}azetidin-3-ol;   N-[3-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)phenyl]methanesulfonamide;   N-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}methanesulfonamide;   3-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)-1H-pyrazol-5-ol;   (1R,2S)-4-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)cyclopentane-1,2-diol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[1-(hydroxymethyl)cyclohexyl]amino}methyl)azetidin-3-ol;   3-{[(3-chlorophenyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-{[(4-chlorophenyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-[(5-amino-3-methyl-1H-pyrazol-1-yl)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(5-methyl-1H-pyrazol-3-yl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1-ethylpyrrolidin-2-yl)azetidin-3-ol;   (2R)—N-{(1S)-1-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]ethyl}-3,3,3-trifluoro-2-(methyloxy)-2-phenylpropanamide;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[4-(methyloxy)phenyl]amino}methyl)azetidin-3-ol;   3-(1-amino-2-methylpropyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-{[(4-aminophenyl)amino]methyl}-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-hydroxy-2-methylcyclopentyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{1-[(4-hydroxycyclohexyl)amino]ethyl}azetidin-3-ol;   methyl (2xi)-2-deoxy-2-({[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}amino)-beta-D-arabino-hexopyranoside;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-pyridin-2-ylazetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-({[1-(hydroxymethyl)cyclopentyl]amino}methyl)azetidin-3-ol;   1-cyano-3-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}guanidine;   6-({3-[(ethylamino)methyl]-3-fluoroazetidin-1-yl}carbonyl)-2,3-difluoro-N-(2-fluoro-4-iodophenyl)aniline;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1-nitroethyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(3-fluoro-4-hydroxyphenyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-{[(2-fluoro-4-hydroxyphenyl)amino]methyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[1-(methylamino)ethyl]azetidin-3-ol;   3-(1-aminoethyl)-1-({8-chloro-7-[(2-fluoro-4-iodophenyl)amino]imidazo[1,2-a]pyridin-6-yl}carbonyl)azetidin-3-ol;   1-({8-fluoro-7-[(2-fluoro-4-iodophenyl)amino]imidazo[1,2-a]pyridin-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({8-fluoro-7-[(2-fluoro-4-iodophenyl)amino]imidazo[1,2-a]pyridin-6-yl}carbonyl)-3-{(1S)-1-[(2-hydroxy-2-methylcyclopentyl)amino]ethyl}azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1H-imidazol-2-yl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(H-pyrrol-2-yl)azetidin-3-ol;   N-{[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]methyl}benzenecarboximidamide;   3-({[(E)-1-amino-2-nitroethenyl]amino}methyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1-methyl-1-nitroethyl)azetidin-3-ol;   3-(1-amino-1-methylethyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-[(1H-benzimidazol-2-ylamino)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(1H-imidazol-2-ylamino)methyl]azetidin-3-ol;   methyl {1-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]ethyl}carbamate;   3-(1H-benzimidazol-2-yl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[1-(dimethylamino)ethyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(pyrimidin-2-ylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(pyridin-2-ylamino)methyl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1-methyl-1H-imidazol-2-yl)azetidin-3-ol;   3-(1-aminobutyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({2-fluoro-3-[(2-fluoro-4-iodophenyl)amino]pyridin-4-yl}carbonyl)-3-[(2S)-pyrrolidin-2-yl]azetidin-3-ol;   1-({8-fluoro-7-[(2-fluoro-4-iodophenyl)amino]-4-methylcinnolin-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   3-[amino(phenyl)methyl]-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(5-methyl-1H-imidazol-2-yl)azetidin-3-ol;   1,1-dimethylethyl (2S)-2-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]piperidine-1-carboxylate;   1-({2-[(4-bromo-2-chlorophenyl)amino]-3,4-difluorophenyl}carbonyl)-3-piperidin-2-ylazetidin-3-ol;   3-(1-amino-3-hydroxypropyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(1H-imidazol-2-ylmethyl)azetidin-3-ol;   3-(1-aminocyclopentyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-(2-aminocyclohexyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   3-(2-aminocyclopentyl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-azetidin-3-ol;   1-({4-fluoro-5-[(2-fluoro-4-iodophenyl)amino]-1-methyl-1H-benzimidazol-6-yl}carbonyl)-3-piperidin-2-ylazetidin-3-ol;   1-({5-[(4-bromo-2-chlorophenyl)amino]-4-fluoro-1-methyl-1H-benzimidazol-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({8-chloro-7-[(2-fluoro-4-iodophenyl)amino]imidazo[1,2-a]pyridin-6-yl}carbonyl)-3-piperidin-2-ylazetidin-3-ol;   1-({2-[(4-bromo-2-fluorophenyl)amino]-3,4-difluorophenyl}carbonyl)-3-piperidin-2-ylazetidin-3-ol;   1-({7-[(4-bromo-2-fluorophenyl)amino]-8-fluoroimidazo[1,2-a]pyridin-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(3-methyl-1-nitrobutyl)azetidin-3-ol;   3-(2-aminopyrimidin-4-yl)-1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-ol;   1-({7-[(4-bromo-2-chlorophenyl)amino]-8-chloroimidazo[1,2-a]pyridin-6-yl}carbonyl)-3-piperidin-2-ylazetidin-3-ol;   1-({8-chloro-7-[(2-fluoro-4-iodophenyl)amino]imidazo[1,2-a]pyridin-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({7-[(4-bromo-2-chlorophenyl)amino]-8-chloroimidazo[1,2-a]pyridin-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({4-fluoro-5-[(2-fluoro-4-iodophenyl)amino]-1-methyl-1H-benzimidazol-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   3-[(1S)-1-aminoethyl]-1-({5-[(4-bromo-2-chlorophenyl)amino]-4-fluoro-1-methyl-1H-benzimidazol-6-yl}carbonyl)azetidin-3-ol;   1-({5-[(4-bromo-2-chlorophenyl)amino]-4-fluoro-1-methyl-1H-benzimidazol-6-yl}carbonyl)-3-[(1S)-1-(methylamino)ethyl]azetidin-3-ol;   4-[(4-bromo-2-fluorophenyl)amino]-3-fluoro-5-({3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl}carbonyl)pyridin-2(1H)-one;   4-[(2-fluoro-4-iodophenyl)amino]-5-({3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl}carbonyl)-1-methylpyridin-2(1H)-one;   4-[(2-fluoro-4-iodophenyl)amino]-5-({3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl}carbonyl)-1-methylpyridin-2(1H)-one;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(1S,2S)-2-hydroxycyclohexyl]azetidin-3-ol;   4-[(2-fluoro-4-iodophenyl)amino]-5-({3-hydroxy-3-[(1S)-1-(methylamino)propyl]azetidin-1-yl}carbonyl)-1-methylpyridin-2(1H)-one;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(1S,2R)-2-hydroxycyclohexyl]azetidin-3-ol;   5-({3-[(1S)-1-(dimethylamino)ethyl]-3-hydroxyazetidin-1-yl}carbonyl)-4-[(2-fluoro-4-iodophenyl)amino]-1-methylpyridin-2(H)-one;   4-[(2-fluoro-4-iodophenyl)amino]-5-({3-hydroxy-3-[(methylamino)methyl]azetidin-1-yl}carbonyl)-1-methylpyridin-2(1H)-one;   5-{[3-(H-benzimidazol-2-yl)-3-hydroxyazetidin-1-yl]carbonyl}-4-[(4-bromo-2-fluorophenyl)amino]-1-methylpyridin-2(1H)-one;   4-[(4-bromo-2-fluorophenyl)amino]-5-{[3-hydroxy-3-(1-methyl-1H-benzimidazol-2-yl)azetidin-1-yl]carbonyl}-1-methylpyridin-2(1H)-one;   4-[(4-bromo-2-fluorophenyl)amino]-5-({3-hydroxy-3-[(2S)-pyrrolidin-2-yl]azetidin-1-yl}carbonyl)-1-methylpyridin-2(1H)-one;   1-({3-fluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({4-fluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({6-[(4-bromo-2-chlorophenyl)amino]-7-fluoro-3-methyl-1,2-benzisoxazol-5-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(6-methylpiperidin-2-yl)azetidin-3-ol;   1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-piperazin-2-ylazetidin-3-ol;   5-[(2-fluoro-4-iodophenyl)amino]-6-({3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl}carbonyl)-2-methylpyridazin-3(2H)-one;   5-[(4-bromo-2-chlorophenyl)amino]-6-({3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl}carbonyl)-2-methylpyridazin-3(2H)-one;   5-[(4-bromo-2-chlorophenyl)amino]-4-fluoro-6-({3-hydroxy-3-[(2S)-pyrrolidin-2-yl]azetidin-1-yl}carbonyl)-2-methylpyridazin-3(2H)-one;   5-[(4-bromo-2-chlorophenyl)amino]-4-fluoro-6-({3-hydroxy-3-[(2R)-pyrrolidin-2-yl]azetidin-1-yl}carbonyl)-2-methylpyridazin-3(2H)-one;   6-({3-[(1S)-1-aminoethyl]-3-hydroxyazetidin-1-yl}carbonyl)-5-[(2-fluoro-4-iodophenyl)amino]-2-methylpyridazin-3(2H)-one;   6-({3-[(S)-1-aminoethyl]-3-hydroxyazetidin-1-yl}carbonyl)-5-[(4-bromo-2-chlorophenyl)amino]-2-methylpyridazin-3(2H)-one;   5-[(4-bromo-2-chlorophenyl)amino]-6-{[3-((1S)-{[(3R,4S)-3,4-dihydroxycyclopentyl]amino}ethyl)-3-hydroxyazetidin-1-yl]carbonyl}-2-methylpyridazin-3(2H)-one;   5-[(4-bromo-2-fluorophenyl)amino]-6-[(3-hydroxy-3-{(S)-1-[(2-hydroxy-2-methylcyclopentyl)amino]propyl}azetidin-1-yl)carbonyl]-2-methylpyridazin-3(2H)-one;   6-({3-[(1S)-1-aminopropyl]-3-hydroxyazetidin-1-yl}carbonyl)-5-[(4-bromo-2-fluorophenyl)amino]-2-methylpyridazin-3(2H)-one;   6-{[3-(1H-benzimidazol-2-yl)-3-hydroxyazetidin-1-yl]carbonyl}-5-[(2-fluoro-4-iodophenyl)amino]-2-methylpyridazin-3(2H)-one;   5-[(2-fluoro-4-iodophenyl)amino]-6-{[3-hydroxy-3-(1-methyl-1H-benzimidazol-2-yl)azetidin-1-yl]carbonyl}-2-methylpyridazin-3(2H)-one;   1-({2-fluoro-3-[(2-fluoro-4-iodophenyl)amino]pyridin-4-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({3-[(2-fluoro-4-iodophenyl)amino]pyridin-4-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({3-[(2-fluoro-4-iodophenyl)amino]-1-oxidopyridin-4-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({2-fluoro-3-[(2-fluoro-4-bromophenyl)amino]pyridin-4-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   3-[(1S)-1-aminopropyl]-1-({3-[(2-fluoro-4-iodophenyl)amino]pyridin-4-yl}carbonyl)azetidin-3-ol;   1-({3-[(2-fluoro-4-iodophenyl)amino]pyridin-4-yl}carbonyl)-3-[(1S)-1-(methylamino)propyl]azetidin-3-ol;   (1R,2S)-4-({(S)-1-[1-({2-fluoro-3-[(2-fluoro-4-iodophenyl)amino]pyridin-4-yl}carbonyl)-3-hydroxyazetidin-3-yl]propyl}amino)cyclopentane-1,2-diol;   1-({7-[(4-bromo-2-chlorophenyl)amino]-8-fluoro-4-methylcinnolin-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({7-[(4-bromo-2-fluorophenyl)amino]-8-fluoro-4-methylcinnolin-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   3-[(S)-1-aminoethyl]-1-({7-[(4-bromo-2-fluorophenyl)amino]cinnolin-6-yl}carbonyl)azetidin-3-ol;   1-({7-[(4-bromo-2-fluorophenyl)amino]cinnolin-6-yl}carbonyl)-3-{(1S)-1-[(2-hydroxy-2-methylcyclopentyl)amino]ethyl}azetidin-3-ol;   1-({7-[(4-bromo-2-fluorophenyl)amino]cinnolin-6-yl}carbonyl)-3-[(1S)-1-(dimethylamino)ethyl]azetidin-3-ol;   3-[(1S)-1-aminoethyl]-1-({5-[(2-fluoro-4-iodophenyl)amino]-1H-1,2,3-benzotriazol-6-yl}carbonyl)azetidin-3-ol;   3-[(1S)-1-(dimethylamino)ethyl]-1-({5-[(2-fluoro-4-iodophenyl)amino]-1-methyl-1H-1,2,3-benzotriazol-6-yl}carbonyl)azetidin-3-ol;   1-({5-[(2-fluoro-4-iodophenyl)amino]-1H-2,3-benzotriazol-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({5-[(2-fluoro-4-iodophenyl)amino]-1-methyl-1H-1,2,3-benzotriazol-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   1-({5-[(2-fluoro-4-iodophenyl)amino]-1H-1,2,3-benzotriazol-6-yl}carbonyl)-3-{(S)-1-[(2-hydroxy-2-methylcyclopentyl)amino]ethyl}azetidin-3-ol;   3-[(1S)-1-aminoethyl]-1-({4-fluoro-5-[(2-fluoro-4-iodophenyl)amino]-1H-2,3-benzotriazol-6-yl}carbonyl)azetidin-3-ol;   1-({4-fluoro-5-[(2-fluoro-4-iodophenyl)amino]-1H-1,2,3-benzotriazol-6-yl}carbonyl)-3-[(2S)-piperidin-2-yl]azetidin-3-ol;   5-({3-[(1S)-1-aminoethyl]-3-hydroxyazetidin-1-yl}carbonyl)-6-[(2-fluoro-4-iodophenyl)amino]pyrimidin-2(1H)-one;   6-[(2-fluoro-4-iodophenyl)amino]-5-({3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl}carbonyl)pyrimidin-2(1H)-one;   4-[(2-fluoro-4-iodophenyl)amino]-5-({3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl}carbonyl)pyrimidin-2(1H)-one; and   5-({3-[(1S)-1-aminoethyl]-3-hydroxyazetidin-1-yl}carbonyl)-4-[(2-fluoro-4-iodophenyl)amino]pyrimidin-2(1H)-one.   
     
     
         74 . A method of preparing preparing enantiomerically pure compounds of formulae (S)-(16) and (R)-(16): 
       
         
           
           
               
               
           
         
         or pharmaceutically acceptable salt or solvate, thereof, wherein P 1  and P 2  each independently are orthogonal nitrogen protecting groups; 
         comprising the steps of:
 1) reaction of an intermediate of formula 2, 
 
       
       
         
           
           
               
               
           
         
         with substituted piperidine 
       
       
         
           
           
               
               
           
         
         in the presence of lithiated amine to generate compound of formula 13, 
       
       
         
           
           
               
               
           
         
         
           2) esterification of compound of formula 13, by reacting with (R)-α-methoxy-α-trifluoromethylphenylacetyl chloride, in the presence of a base to generate compound (R)-(15), 
         
       
       
         
           
           
               
               
           
         
         
           3) separation of diastereomeric esters (15) using chromatography to generate enantiomerically pure intermediates (S)-(16), 
         
       
       
         
           
           
               
               
           
         
         and (R)-(16), 
       
       
         
           
           
               
               
           
         
         
           4) Each of (S)-(15) and (R)-(15) are separately treated with sodium hydroxide to generate compounds of formulae (S)-(16) and (R)-(16). 
         
       
     
     
         75 . The method of  claim 74 , wherein P 1  and P 2  are each independently tert-butoxycarbonyl (Boc) or benzyloxycarbonyl (Cbz). 
     
     
         76 . The method of  claim 74 , wherein the step 1 occurs in the presence of lithium diisopropyl amine or (2-methylpropyl)lithium. 
     
     
         77 . A method of preparing 3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]benzoyl fluoride comprising the step of reaction of 3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]benzoic acid with cyanuric fluoride in the presence of pyridine. 
     
     
         78 . A process for preparing Compound 22b 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt thereof comprising the steps of:
 1) reaction of phenylmethyl-3-oxoazetidine-1-carboxylate with 1,1-dimethylethyl piperidine-1-carboxylate 
 
       
       
         
           
           
               
               
           
         
         in the presence of (2-methylpropyl)lithium, with phenylmethyl 3-oxoazetidine-1-carboxylate 
       
       
         
           
           
               
               
           
         
         to generate compound 1,1-dimethylethyl 2-(3-hydroxy-1-{[(phenylmethyl)oxy]carbonyl}azetidin-3-yl)piperidine-1-carboxylate, 
       
       
         
           
           
               
               
           
         
         
           2) esterification of 
         
       
       
         
           
           
               
               
           
         
         by employing (R)-α-methoxy-α-trifluoromethylphenylacetyl chloride, in the presence of dimethylaminopyridine, to generate a diastereomeric mixture of compounds 1,1-dimethylethyl (2R)-2-(1-{[(phenylmethyl)oxy]carbonyl}-3-{[(2R)-3,3,3-trifluoro-2-(methyloxy)-2-phenylpropanoyl]oxy}azetidin-3-yl)piperidine-1-carboxylate, 
       
       
         
           
           
               
               
           
         
         and 1,1-dimethylethyl (2S)-2-(1-{[(phenylmethyl)oxy]carbonyl}-3-{[(2R)-3,3,3-trifluoro-2-(methyloxy)-2-phenylpropanoyl]oxy}azetidin-3-yl)piperidine-1-carboxylate, 
       
       
         
           
           
               
               
           
         
         
           3) separation of the diastereomeric mixture of compounds shown in step 2), using chromatography; 
           4) hydrolysis of ester, 1,1-dimethylethyl (2S)-2-(1-{[(phenylmethyl)oxy]carbonyl}-3-{[(2R)-3,3,3-trifluoro-2-(methyloxy)-2-phenylpropanoyl]oxy}azetidin-3-yl)piperidine-1-carboxylate 
         
       
       
         
           
           
               
               
           
         
         in the presence of sodium hydroxide, to generate 1,1-dimethylethyl (2S)-2-(3-hydroxy-1-{[(phenylmethyl)oxy]carbonyl}azetidin-3-yl)piperidine-1-carboxylate 
       
       
         
           
           
               
               
           
         
         
           5) removal of benzyloxycarbonyl group in 1,1-dimethylethyl (2S)-2-(3-hydroxy-1-{[(phenylmethyl)oxy]carbonyl}azetidin-3-yl)piperidine-1-carboxylate 
         
       
       
         
           
           
               
               
           
         
         in the presence of palladium charcoal and hydrogen, to generate 1,1-dimethylethyl 2-(3-hydroxy-1-{[(phenylmethyl)oxy]carbonyl}azetidin-3-yl)piperidine-1-carboxylate;
 6) reaction of 3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]benzoyl fluoride 
 
       
       
         
           
           
               
               
           
         
         with 1,1-dimethylethyl 2-(3-hydroxy-1-{[(phenylmethyl)oxy]carbonyl}azetidin-3-yl)piperidine-1-carboxylate in the presence of diisopropylethyl amine, to produce 1,1-dimethylethyl (2S)-2-[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidin-3-yl]piperidine-1-carboxylate, 
       
       
         
           
           
               
               
           
         
         
           7) addition of hydrochloric acid the product from step 6) to produce compound of formula 22b.