Showing structure for 4-(5-{[(1s)-6,7-dimethoxy-8-[(7-methoxy-2-methyl-1-oxo-3,4-dihydroisoquinolin-6-yl)oxy]-2-methyl-3,4-dihydro-1h-isoquinolin-1-yl]methyl}-2-methoxyphenoxy)benzaldehyde