The molecule is an organic cation that is the conjugate acid of (R)-laudanosine, obtained by protonation of the tertiary amino group; major species at pH 7.3. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a (R)-laudanosine.
(1R)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium