(-)-Normorphine 4,5-Epoxy-3,6-dihydroxymorphin-7-ene 466-97-7 BASE NORMORPHINE Demethylmorphine Desmethylmorphine Morphinan-3,6-diol, 7,8-didehydro-4,5-epoxy-, (5.alpha.,6.alpha.)- Morphinan-3,6.alpha.-diol, 7,8-didehydro-4,5.alpha.-epoxy- N-Normorphine NSC270042 Normorphine