207679-32-1
(S)-2-[(Z)-(1R,2R)-2-Acetoxy-4-acetylamino-1-(4-methoxy-benzyloxy)-4-methoxycarbonyl-but-3-enyl]-aziridine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester
207679-35-4
(S)-2-((E)-(1R,2S)-2-Acetoxy-4-acetylamino-3-bromo-1-hydroxy-4-methoxycarbonyl-but-3-enyl)-aziridine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester
207679-36-5
(S)-2-((E)-(1R,2S)-2-Acetoxy-4-acetylamino-3-bromo-4-methoxycarbonyl-1-trimethylsilanyloxy-but-3-enyl)-aziridine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester
207679-37-6
(S)-2-((E)-(1R,2S)-2-Acetoxy-4-acetylamino-3-bromo-1-hydroxy-4-methoxycarbonyl-but-3-enyl)-aziridine-1-carboxylic acid benzyl ester
207679-38-7
(S)-2-((E)-(1R,2S)-2-Acetoxy-4-acetylamino-3-bromo-4-methoxycarbonyl-1-trimethylsilanyloxy-but-3-enyl)-aziridine-1-carboxylic acid benzyl ester