1178-28-5 METOSERPATE Methyl 11,17alpha,18alpha-trimethoxy-3beta,20alpha-yohimban-16beta-carboxylat Methyl O-methyl-18-epireserpate Metoserpato [INN-Spanish] Metoserpatum [INN-Latin] Pacitran Yohimban-16-carboxylic acid, 11,17,18-trimethoxy-, methyl ester, (3beta,16beta,17alpha,18alpha,20alpha)-