Showing structure for (1s)-1-{[(2s,3r,11bs)-3-ethyl-10-hydroxy-9-methoxy-1h,2h,3h,4h,6h,7h,11bh-pyrido[2,1-a]isoquinolin-2-yl]methyl}-7-methoxy-1,2,3,4-tetrahydroisoquinolin-6-ol