Synonyms: 9a,13a,14a-Morphinan-6-one, 7,8-didehydro-4-hydroxy-3,7-dimethoxy-17-methyl-,hydrochloride (8CI);Morphinan-6-one,7,8-didehydro-4-hydroxy-3,7-dimethoxy-17-methyl-, hydrochloride, (9a,13a,14a)- (9CI);Sinomenine hydrochloride (6CI,7CI);Cucoline, hydrochloride;NSC76021;Sinomenin hydrochloride;