label: 2-((benzyloxycarbonyl)amino)-1,3a,4,5,10,10a-hexahydro-4-(1-phenylmethyl-2-carboxyethyl)indolo(3,2-e)indolizine-3(2H)-one
label_lc: 2-((benzyloxycarbonyl)amino)-1,3a,4,5,10,10a-hexahydro-4-(1-phenylmethyl-2-carboxyethyl)indolo(3,2-e)indolizine-3(2h)-one