英文别名
Benzyl (2S,5R,6R)-3,3-dimethyl-7-benzyloxycarbonylmethylene-6-phenoxyacetamido-4-thia-1-azabicyclo[3.2.0]heptan-2-carboxylate;benzyl (2S,5R,6R,7Z)-3,3-dimethyl-7-(2-oxo-2-phenylmethoxyethylidene)-6-[(2-phenoxyacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate