90776-58-2

(3S 4S)-3-[(R)-1-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE (3S,4S)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE (3S,4S)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE (3S,4S)-3-[(R)-(BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-CARBOXYETHYL]-2-AZETIDINONE (3S,4S)-3-((R)-(T-BUTYLDIMETHYL SILYLOXY)ETHYL)-4-((R)-CARBOXY ETHYL)-2-AZETIDINONE (3S,4S)-3-((R)-(TERT-BUTYLDIMETHYL-SILYLOXY)ETHYL)-4((R)-CARBOXYETHYL)-2-AZETIDINONE (3S,4S)-4-[(R)-1-carboxyethyl]-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone 4-BMA beta-Methylazetidin-2-one (R)-2-((2S,3S)-3-((R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL)-4-OXOAZETIDIN-2-YL)PROPANOIC ACID side chain for imipenem 1-BMA Butyldimethylsilyloxyethylcarboxyet Intermediate of Meropenem -methylazetidin-2-one 2-Azetidineacetic acid, 3-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-a-methyl-4-oxo-, (aR,2S,3S)- 1-Bma Or 4-Bma MAP(MVP) B-METHYLAZETIDIN-2-ONE (3S,4S)-4-[(R)-1-CARBOXYETHYL]-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE