The chemical Oxycodone has a known molecular formula of C18-H21-N-O4. Synonyms may include: 4-27-00-03681 (Beilstein Handbook Reference), BRN 0043446, Codeinone, dihydrohydroxy-, Codeinone, dihydro-14-hydroxy-, Codeinone, 7,8-dihydro-14-hydroxy-, Dihydrohydroxycodeinone, Dihydro-14-hydroxycodeinone, Dihydrone, Dihydroxycodeinone (ChemID).