(9α,13α,14α)-7,8-Didehydro-4-hydroxy-3,7-dimethoxy-17-methylmorphinan-6-one Hydrochloride; 7,8-Didehydro-4-hydroxy-3,7-dimethoxy-17-methyl-|9α,13α,14α-morphinan-6-one Hydrochloride; (9α,13α,14α)- 7,8-Didehydro-4-|hydroxy-3,7-dimethoxy-17-methylmorphinan-6-one Hydrochloride; Cucoline Hydrochloride; NSC 76021; Sinomenin Hydrochloride;

Sinomenine is an optical isomer of Methoxythebainone. Sinomenine was extracted from root of Sinomenium acutum. Sinomenine has anti-inflammatory and analgesic effect.