2673-40-7;4-Demethyl-3-oxovobasan-17-oic acid methyl ester;AIDS-002671;AIDS002671;Indole alkaloid;2,6-Methano-1H-azecino[5,4-b]indole-14-carboxylic acid, 5-ethylidene-2,3,4,5,6,7,8,9-octahydro-8-oxo-, methyl ester;4-25-00-01712 (Beilstein Handbook Reference);BRN 0046952;Vobasan-17-oic acid, 4-demethyl-3-oxo-, methyl ester