Synonyms: Aspidofractinine-3-carboxylicacid, 1-formyl-17-methoxy-, methyl ester, (2a,3b,5a)-; Refractine (7CI); Vellosine(6CI,8CI); 6H,13aH-3a,5a-Ethano-1H-indolizino[8,1-cd]carbazole-5-carboxylicacid, 6-formyl-2,3,4,5,11,12-hexahydro-7-methoxy-, methyl ester, [3aR-(3aa,5b,5aa,10bR*,13aa)]-;NSC 78734; Refractin