Synonyms: 3,5-Ethano-3H-pyrrolo[2,3-d]carbazole-6-carboxylicacid, 4-ethyl-1,2,3a,4,5,7-hexahydro-, methyl ester, (3aR,4S,5S,11bS)- (9CI);Condyfolan-16-carboxylic acid, 2,16-didehydro-, methyl ester, (14S)-;Tubotaiwine (7CI,8CI); (+)-19,20-Dihydrocondylocarpine; (+)-Tubotaiwine;(20S)-19,20-Dihydrocondylocarpine; 20(S)-Tubotaiwine;3,5-Ethano-3H-pyrrolo[2,3-d]carbazole-6-carboxylic acid,4-ethyl-1,2,3a,4,5,7-hexahydro-, methyl ester, [3aR-(3aa,4b,5b,11bS*)]-; Methyl (14b)-2,16-didehydrocondyfolan-16-carboxylate; NSC 306222; Tubotaiwin