The molecule is conjugate acid of 6-O-methylnorlaudanosoline arising from protonation of the isoquinoline nitrogen. It is a conjugate acid of a 6-O-methylnorlaudanosoline.
4-[(7-hydroxy-6-methoxy-1,2,3,4-tetrahydroisoquinolin-2-ium-1-yl)methyl]benzene-1,2-diol