Inventor

BREUER HERMANN

75 patents

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BREUER HERMANN

SQUIBB & SONS INC

Pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyrimidine

2-oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines

2-oxo-1-[[(substituted sulfonyl)amino]carbonyl]azetidines

2-oxo-1-(aminocarbonylaminosulfonyl-aminocarbonyl)azetidines

3-Acylamino-2-oxoazetidine-1-(β-oxopropionic acid)

Imidazole derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins

Hydroxamic acid derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins

3-Triazolylthio derivatives of ureido cephalosporins

Amino-1,2,4-oxadiazolyl-3-acetyl cephalosporins

2-oxoazetidin-1-yloxy acetic acids and analogs

Aminothiazolyl ureido sulfoxide cephalosporins

2-oxo-1-((Substituted sulfonyl)amino)-carbonyl)azetidines

4-amino derivatives of 2-oxo-1-azetidinesulfonic acid salts

Iminothiazolyl ureido cephalosporins

2-Oxo-1-[(acylamino)sulfonyl]azetidines

Iminothiazolyl ureido cephalosporins

Cephalosporins having an imino substituted piperazindioncarbonylamino acyl sidechain

Cephalosporins having an oxazolidonyloxamido substituted acyl sidechain

7β-[[[2-Acylamino]-1,2-dioxoethyl]amino]acyl cephalosporins

3-heterothiomethyl ureido cephalosporins

Meso-ionic didehydro derivatives of 1,7-dehydro-1-substituted-3H-pyrazolo[4,]-1,2,4-triazolo[4,3-c]pyrimidine-3-thiones and 3-ones

7β-[(2-Amino-1,2-dioxoethyl)amino]acyl cephalosporins

7β-[[[(2-Cyanomethyl)amino]-1,2-dioxoethyl]amino]acyl cephalosporins

3-Heterothio-7-ureido cephalosporins

3-Heterothio substituted 7-(ureido-heteroacetyl) cephalosporins

Pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyridines

[[[(2,4-Dioxo-1-imidazolidinyl)amino]-carbonyl]amino]acetylpenicillin derivatives

Alkenyl and alkinylureido cephalosporins

(Carbamoyl)pyridino derivatives of ureidocephalosporins

Oxopyridazinylthiomethyl derivatives of ureidocephalosporins

3-Heterothio derivatives of (formylamino)acetylamino-7-alpha-methoxy cephalosporins

3-Heterothio derivatives of (α-thiocarbonylaminol)-7α-methoxy-cephalosporins

[(Oxyalkyl)thioacetyl]cephalosporin derivatives

3-Heterothio derivatives of (carbamoylthioacetyl)cephalosporins

3-Heterothiomethyl-7α-methoxy-7β-tetrazolylmethylthioacetamido-3-cephem derivatives

2-oxo-1-(((substituted sulfonyl)amino)-carbonyl)azetidines

Cyanomethylthioacetylcephalosporin intermediates

Carbamoylalkylureido cephalosporins

Cyanomethylthioacetylcephalosporins

Penicillins having an imino substituted piperazindioncarbonylamino acyl sidechain

((3-Acylamino-2-oxo-1-azetidinyl)oxy)methyl)phosphinic acids

[(Thioalkyl)thioacetyl)]cephalosporin derivatives

6-[[[(2-Cyanomethyl)amino]-1,2-dioxoethyl]-amino]acyl penicillins

Carbamoylalkylureido cephalosporins

Hydrazinocarbonylamino cephalosporins

Cyanoalkylureido cephalosporins

3-(Carbamoyl)pyridino derivatives of 7a-methoxy ureidocephalosporins

Alkenyl and alkinylureido cephalosporins

[[[Imidazolidinyl amino]carbonyl]amino]acetyl cephalosporin derivatives

SQUIBB CORP

2-oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines