The molecule is an organic cation that is the conjugate acid of oxycodone, obtained by protonation of the tertiary amino group of oxycodone. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of an oxycodone.
(4R,4aS,7aR,12bS)-4a-hydroxy-9-methoxy-3-methyl-1,2,3,4,5,6,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium-7-one