The molecule is an isoquinoline alkaloid consisting of aa tetrahydroisoquinoline core with 4-hydroxy-3-methoxybenzyl, methoxy and hydroxy substituents at positions 1, 6 and 7 respectively; major species at pH 7.3. It is an isoquinoline alkaloid, an isoquinolinol and a member of isoquinolines. It is a conjugate base of a nororientalinium(1+).
1-[(4-hydroxy-3-methoxyphenyl)methyl]-6-methoxy-1,2,3,4-tetrahydroisoquinolin-7-ol