IUPAC:2',2'-diethyl (3R,4'S,5'S)-5'-[(1R,4aS,7aS)-1-methoxy-4-(methoxycarbonyl)-1H,4aH,5H,7aH-cyclopenta[c]pyran-7-yl]-2-oxo-4'-phenyl-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-2',2'-dicarboxylate
IUPAC:2',2'-diethyl (3R,4'S,5'S)-5'-[(1R,4aS,7aS)-1-methoxy-4-(methoxycarbonyl)-1H,4aH,5H,7aH-cyclopenta[c]pyran-7-yl]-2-oxo-4'-phenyl-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-2',2'-dicarboxylate