2-bromo-and derivatives of 3-bromo-and 3,3-dibromo-4-oxo-azetidi

2-carbamimidoyl-6-substituted-1-carbadethiapen-2-em-3-carboxylic

2-hydroxybenzophenone hydrazides and derivatives thereof

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

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

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

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

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

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

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

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

2-oxoazetidin-1-yloxy acetic acids and analogs

2-Oxoazetidines, methods for their preparation, and their use

2-substituted alkoxy-3-substituted-pyrazines

2-substituted indane-2-carboxyalkyl derivatives useful as inhibi

2-substituted indane-2-mercaptoacetylamide derivatives useful as

2-substituted indane-2-mercaptoacetylamide disulfide derivatives

2-substituted indane-2-mercaptoacetylamide tricyclic derivatives

2-substituted-6-carbadethiapen-2-em-3-carboxylic acids

28-epirapalogs