76855-69-1

(2R,3R)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-OXOAZETIDIN-2-YLACETATE [3R(1'R,4R)]-(+)-4-ACETOXY-3-[1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE (3R,4R)-(+)-4-ACETOXY-3-[(R)-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE (3R,4R)-4-ACETOXY-3-[(R)-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE (3R,4R)-4-ACETOXY-3-[(R)-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE (3R,4R)-4-(ACETYLOXY)-3-[(1R)-1-[[(1,1-DIMETHYLETHYL)DIMETHYLSILYL]OXY]ETHYL]-2-AZETIDINONE (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one 4-AA 4-AOSA (3R,4R)-4-acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone 2-Azetidinone, 4-(acetyloxy)-3-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-, (3R,4R)- acetoxyazetidinone (3S,4R)-4-acetoxy-3-[-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one (R R(R))-4-ACETOXY-3-(1-TBDMS-OXY)- (3R(1'R,4R))-(+)-4-ACETOXY-3-(1-(T-BUTYL DI-METHYLSILYLOXY)ETH)-2-AZETIDINONE,98 4-ACETOXYAZETIDIN-2-ONE [3R(1′R,4R)]-(+)-4-Acetoxy-3-[1-(tert-butyldimeth ACETOXYSILYLOXYAZETIDINONE(AOSA) (3R,4R)-4-ACETOXY-3-[(3R)-TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE 4-ACETOXYAZETIDINE-2-ONE( 4-AA, ABA, AOSA)