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