Synonyms: 18,19-Seco-15b-yohimban-19-oic acid,16,17,20,21-tetradehydro-16-formyl-, methyl ester, (Z)- (8CI);18,19-Secoyohimban-19-oic acid, 16,17,20,21-tetradehydro-16-formyl-, methylester, (15b,16Z)-;Indolo[2,3-a]quinolizine-3-carboxylic acid,2-[(1Z)-1-formyl-1-propenyl]-1,2,6,7,12,12b-hexahydro-, methyl ester,(2S,12bS)- (9CI); (Z)-Vallesiachotamine; 17-Isovallesiachotamine;Isovallesiachotamine