The molecule is an organic cation that is the conjugate acid of 3-hydroxyquinine, formed via protonation of the tertiary amino group; major species at pH 7.3. It is an organic cation and an ammonium ion derivative. It is a conjugate acid of a 3-hydroxyquinine.
(3S,4S,6S)-3-ethenyl-6-[(R)-hydroxy-(6-methoxyquinolin-4-yl)methyl]-1-azoniabicyclo[2.2.2]octan-3-ol