label: 3-ethyl-9,10-dimethoxy-2-(1,2,3,4-tetrahydro-isoquinolin-1-ylmethyl)-1,6,7,11b-tetrahydro-4H-pyrido(2,1-a)isoquinoline
label_lc: 3-ethyl-9,10-dimethoxy-2-(1,2,3,4-tetrahydro-isoquinolin-1-ylmethyl)-1,6,7,11b-tetrahydro-4h-pyrido(2,1-a)isoquinoline