(5alpha)-6,7-Didehydro-4,5-epoxy-3-methoxy-17-methylmorphinan 1034-48-6 4-27-00-02068 (Beilstein Handbook Reference) BRN 0092878 Desoxycodeine-C EINECS 213-856-7 Morphinan, 6,7-didehydro-4,5-alpha-epoxy-3-methoxy-17-methyl-