(-)-2,3,4,4a-Tetrahydro-1H,6H-5,10b-propanophenanthridin-9-ol hydrochloride 1H,6H-5,10b-Propanophenanthridin-9-ol, 2,3,4,4a-tetrahydro-, hydrochloride, (-)- DH 15 UC3917000 levo-9-Aza-des-N-morphinan