Oxymorphone-3-methoxynaltrexonazine (original) (raw)

Oxymorphone-3-methoxynaltrexonazine (OM-3-MNZ) is a morphinan-based opioid that acts as a selective μ-opioid receptor agonist, unlike the closely related mixed agonist-antagonist Oxymorphonenaltrexonazine.