Showing structure for 1-{[3-hydroxy-4-({1-[(4-hydroxyphenyl)methyl]-6-methoxy-2-methyl-3,4-dihydro-1h-isoquinolin-7-yl}oxy)phenyl]methyl}-6-methoxy-2-methyl-3,4-dihydro-1h-isoquinolin-7-ol