IUPAC:(1S)-1-{[4-(5-{[(1S)-5-hydroxy-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl}-2-methoxyphenoxy)phenyl]methyl}-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-5-ol
IUPAC:(1S)-1-{[4-(5-{[(1S)-5-hydroxy-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl}-2-methoxyphenoxy)phenyl]methyl}-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-5-ol