英文别名
methyl (3S,5R,6S)-6-bromo-6-[(R)-1-hydroxyethyl]penicillanate-1β-oxide;(2S,4R,5R,6S)-6-Bromo-6-((S)-1-hydroxy-ethyl)-3,3-dimethyl-4,7-dioxo-4λ4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester;(2S,4R,5R,6R)-6-Bromo-6-((S)-1-hydroxy-ethyl)-3,3-dimethyl-4,7-dioxo-4λ4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester