1,5-Methano-2H-benzofuro(3,2-e)oxireno(h)isoquinoline, morphinan-6-one deriv. 7,8-Edhcdo 7,8-Epoxydihydrocodeinone 72785-19-4 7beta,8beta-Epoxydihydrocodeinone Codeinone 7,8-epoxide Codeinone 7,8-oxide Morphinan-6-one, 4,5:7,8-diepoxy-3-methoxy-17-methyl-, (5alpha,7beta,8beta)-