label: 1-(3,4-dihydro-6,7-dimethoxy-2(1H)-isoquinolinyl)-3,3-dimethyl-2-((4-pyridinylmethyl)amino)-1-butanone
label_lc: 1-(3,4-dihydro-6,7-dimethoxy-2(1h)-isoquinolinyl)-3,3-dimethyl-2-((4-pyridinylmethyl)amino)-1-butanone