(4R,4aR,7S,7aR,12bS)-9-methoxy-3-methyl-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-7-ol | (5R,6S,9R,13S,14R)-4,5-epoxy-3-methoxy-N-methyl-7-morphinen-6-ol | 7,8-didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-ol | codeine | methylmorphine | morphine 3-methyl ether | O3-methylmorphine
codéïne | méthylmorphine