IUPAC:(1R)-1-{[(2S,3R,11bS)-3-ethyl-9,10-dimethoxy-1H,2H,3H,4H,6H,7H,11bH-pyrido[2,1-a]isoquinolin-2-yl]methyl}-7-methoxy-1,2,3,4-tetrahydroisoquinolin-6-ol
IUPAC:(1R)-1-{[(2S,3R,11bS)-3-ethyl-9,10-dimethoxy-1H,2H,3H,4H,6H,7H,11bH-pyrido[2,1-a]isoquinolin-2-yl]methyl}-7-methoxy-1,2,3,4-tetrahydroisoquinolin-6-ol