Substituted morphinans Substituted morphinans are a class of compounds derived from the morphinan base structure. List of substituted morphinans CompoundStructure Substituted morphinans Desomorphine Dextromethorphan (DXM) Levomethorphan (LVM) Levallorphan Hydromorphone Morphine Norcodeine Codeinone Codeine Hydrocodone Dihydrocodeine Thebaine Ethylmorphine Oxycodone 6-Monoacetylmorphine (6-MAM) Naloxone Diacetylmorphine (Heroin) Buprenorphine Codeine-6-glucuronide
