英文别名
ethyl (E,4S)-7-amino-4-[[(3S)-6-(benzyloxycarbonylamino)-5-oxo-2,3-dihydro-1H-indolizine-3-carbonyl]amino]-7-oxo-hept-2-enoate;ethyl (E,4S)-7-amino-7-oxo-4-[[(3S)-5-oxo-6-(phenylmethoxycarbonylamino)-2,3-dihydro-1H-indolizine-3-carbonyl]amino]hept-2-enoate