Synonyms: Aspidofractine(7CI); Aspidofractinine-3-carboxylic acid, 1-formyl-, methyl ester, (2a,3b,5a)-; 6H,13aH-3a,5a-Ethano-1H-indolizino[8,1-cd]carbazole-5-carboxylic acid,6-formyl-2,3,4,5,11,12-hexahydro-, methyl ester, [3aR-(3aa,5b,5aa,10bR*,13aa)]-;N-Formylkopsinine