467-04-9 6,7,8,14-Tetradehydro-4,5-alpha-epoxy-6-methoxy-17-methyl-morphinan-3-ol C06175 Oripavine Morphinan-3-ol, 6,7,8,14-tetradehydro-4,5-alpha-epoxy-6-methoxy-17-methyl- BRN 0046094 EINECS 207-385-6 (5alpha)-6,7,8,14-Tetradehydro-4,5-epoxy-6-methoxy-17-methylmorphinan-3-ol 4-27-00-02270 (Beilstein Handbook Reference)