Showing structure for 1-{[4-(2-hydroxy-5-{[(1s)-7-hydroxy-6-methoxy-2-methyl-3,4-dihydro-1h-isoquinolin-1-yl]methyl}phenoxy)phenyl]methyl}-6-methoxy-2-methyl-3,4-dihydro-1h-isoquinolin-7-ol