76-58-4 Morphine, ethyl- Morphine 3-ethyl ether E8512_SIGMA C07537 Ethylmorphine 3-O-Ethylmorphine Codethyline DEA No. 9190 DIONINE EINECS 200-970-7 Morphinan-6-alpha-ol, 7,8-didehydro-4,5-alpha-epoxy-3-ethoxy-17-methyl- Morphinan-6-ol, 7,8-didehydro-4,5-epoxy-3-ethoxy-17-methyl-, (5-alpha,6-alpha)- (9CI)