483-10-3 Corynanthin Corynanthine EINECS 207-590-0 Methyl (16beta,17alpha)-17-hydroxyyohimban-16-carboxylate NSC 407306 Rauhimbin Rauhimbine Yohimban-16-carboxylic acid, 17-hydroxy-, methyl ester, (16beta,17alpha)- (9CI) Yohimban-16beta-carboxylic acid, 17alpha-hydroxy-, methyl ester (8CI)