Synonyms: Vincamine teproside;Eburnamenine-14-carboxylic acid, 14,15-dihydro-14-hydroxy-, methyl ester, (3alpha,14beta,16alpha_=, mono(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purine-7-propanesulfonate) (salt);Methyl (3alpha,14beta,16alpha)-14,15-dihydro-14-hydroxyeburnamenine-14-carboxylate, mono(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purine-7-propanesulphonate);3-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)propane-1-sulfonic acid - methyl (3alpha,14beta,16alpha)-14-hydroxy-14,15-dihydroeburnamenine-14-carboxylate (1:1)