99765-24-9
3(S)-<1(R)-<<(phenoxymethyl)carbonyl>oxy>ethyl>-4(R)-<(2,5-dimethoxyphenyl)sulfonyl>-1-<1-(methoxycarbonyl)-2-methyl-1-propen-1-yl>azetidin-2-one
99765-22-7
3(S)-bromo-4(R)-<(2,5-dihydroxyphenyl)sulfonyl>-1-<1-(methoxycarbonyl)-2-methyl-1-propen-1-yl>azetidin-2-one
99765-25-0
3(S)-<1(R)-<(tert-butyldimethylsilyl)oxy>ethyl>-4(R)-<(2,5-dimethoxyphenyl)sulfonyl>-1-<1-(methoxycarbonyl)-2-methyl-1-propen-1-yl>azetidin-2-one
99765-23-8
3(S)-bromo-4(R)-<(2,5-dimethoxyphenyl)sulfonyl>-1-<1-(methoxycarbonyl)-2-methyl-1-propen-1-yl>azetidin-2-one
99827-42-6
3(S)-<1(S)-hydroxyethyl>-4(R)-<(2,5-dimethoxyphenyl)sulfonyl>-1-<1-(methoxycarbonyl)-2-methyl-1-propen-1-yl>azetidin-2-one