has role has role is conjugate base of has functional parent has parent hydride oxycodone(1+) opioid analgesic morphinan organic heteropentacyclic compound antitussive mu-opioid receptor agonist semisynthetic derivative oxycodone CHEBI:7852 (-)-14-Hydroxydihydrocodeinone Dihydrohydroxycodeinone Dihydro-14-hydroxycodeinone Oxycodone 4,5alpha-Epoxy-14-hydroxy-3-methoxy-17-methylmorphinan-6-one Dihydroxycodeinone A semisynthetic opioid of formula C<small>₁₈</small>H<small>₂₁</small>NO<small>₄</small> that is derived from thebaine. It is a moderately potent opioid analgesic, generally used for relief of moderate to severe pain. chebi_ontology 4,5-Epoxy-14-hydroxy-3-methoxy-17-methylmorphinan-6-one thebaine