hebei wordstar chemical co.,LTD

2-Azetidinone,4-(acetyloxy)-3-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-,(3R,4R)-;2-Azetidinone,4-(acetyloxy)-3-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-,[3R-[3α(R*),4β]]-;(3R,4R)-4-(Acetyloxy)-3-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-2-azetidinone;(1′R,3R,4R)-4-acetoxy-3-(1′-tert-butyldimethylsilyloxyethyl)-2-azetidinone;(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidinone;Azetidon;(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsiloxy)ethyl]azetidin-2-one;(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone;(2R,3R)-3-((R)-1-(tert-Butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate;134354-63-5;91616-50-1

1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,3-[(diphenoxyphosphinyl)oxy]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-,(4-nitrophenyl)methyl ester,(4R,5R,6S)-;1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,3-[(diphenoxyphosphinyl)oxy]-6-(1-hydroxyethyl)-4-methyl-7-oxo-,(4-nitrophenyl)methyl ester,[4R-[4α,5β,6β(R*)]]-;(4-Nitrophenyl)methyl (4R,5R,6S)-3-[(diphenoxyphosphinyl)oxy]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate;4-Nitrobenzyl (4R,5R,6S)-3-[(diphenylphosphono)oxy]-6-[(R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate;p-Nitrobenzyl (4R,5R,6S)-3-diphenylphosphoryloxy-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate;p-Nitrobenzyl (4R,5S,6S)-3-(diphenoxy)phosphoryloxy-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.1]hept-2-ene-2-carboxylate;155238-97-4;1206880-01-4