The molecule is a benzylisoquinoline alkaloid that is (R)-norlaudanosoline in which the four phenolic hydrogens have been replaced by methyl groups. It is an aromatic ether, a benzylisoquinoline alkaloid, a benzyltetrahydroisoquinoline, a polyether and a secondary amino compound. It derives from a (R)-norlaudanosoline. It is a conjugate base of a (R)-tetrahydropapaverine(1+).
(1R)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline