(20-alpha)-19,20-Dihydro-3-oxovobasan-17-oic acid methyl ester hydrochloride 20-Epitabernemontanine hydrochloride 71359-01-8 Dregamine chlorhydrate [French] Dregamine, hydrochloride Vobasan-17-oic acid, 19,20-dihydro-3-oxo-, methyl ester, hydrochloride, (20-alpha)-