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)