Synonyms: 2,20-Cycloaspidospermidine-3-carboxylicacid, methyl ester, (2a,3a,5a,12b,19a,20R)-; 3-Epipseudokopsinine(8CI); 3-Epipseudocopsinine; 3-Epipseudoervinine; 3-Epipseudokopsininoic acidmethyl ester; 3-epi-Pseudokopsinine;6H,13aH-3a,5a-Methano-1H-indolizino[8,1-cd]carbazole-5-carboxylic acid,2,3,4,5,11,12-hexahydro-14-methyl-, methyl ester, [3aS-(3aa,5a,5aa,10bS*,13aa,14S*)]-