1178-29-6 3.beta.,15.alpha.,20.alpha.-Yohimban-16.beta.-carboxylic acid, 11,17.alpha.,18.alpha.-trimethoxy-,methyl ester, hydrochloride 3.beta.,20.alpha.-Yohimban-16.beta.-carboxylic acid, 11,17.alpha.,18.alpha.-trimethoxy-, methyl ester, hydrochloride 3.beta.,20.alpha.-Yohimban-16.beta.-carboxylic acid, 11,17.alpha.,18.alpha.-trimethoxy-, methyl ester, monohydrochloride Avicalm Mepireserpate hydrochloride Mepiserate hydrochloride Methoxerpate hydrochloride Methyl 11,17.alpha.,18.alpha.-trimethoxy-3.beta.,20.alpha.-yohimban-16.beta.-carboxylate monohydrochloride Metoserpate hydrochloride NSC169862 Pacitran SU 9064 Su 8842 hydrochloride Su-9064 WLN: T F6 D5 C666 EM ON&&TTTJ HO1 SO1 TO1 UVO1 &GH Yohimban-16-carboxylic acid, 11,17,18-trimethoxy-, methyl ester, monohydrochloride, (3.beta.,16.beta.,17.alpha.,18.alpha.,20.alpha.)-