(5alpha)-7,8-Didehydro-4,5-epoxy-14-hydroxy-3-methoxy-17-methylmorphinan-6-one 14-Hydroxycodeinone 508-54-3 BRN 4552573 CODEINONE, 14-HYDROXY- EINECS 208-085-8 Hydroxycodeinone Morphinan-6-one, 7,8-didehydro-4,5-epoxy-14-hydroxy-3-methoxy-17-methyl-, (5-alpha)- (9CI)