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