英文别名
Methyl (2r,5s,6s)-3,3-dimethyl-6-[(6-cyano-2-oxo-2h-chromen-7-yl)amino]-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate;methyl (2R,5S,6S)-6-[(6-cyano-2-oxochromen-7-yl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate