英文别名
4-Oxa-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3-[2-[bis[(phenylmethoxy)carbonyl]amino]ethylidene]-7-oxo-, phenylmethyl ester, [2R-(2I+/-,3Z,5I+/-)]-;benzyl (2R,3Z,5R)-3-[2-[bis(phenylmethoxycarbonyl)amino]ethylidene]-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylate