label: 6,7-dimethoxy-2-(3-(4-methoxy-3,4-dihydro-2H-naphthalen-1-ylidene)propyl)-1,2,3,4-tetrahydroisoquinoline
label_lc: 6,7-dimethoxy-2-(3-(4-methoxy-3,4-dihydro-2h-naphthalen-1-ylidene)propyl)-1,2,3,4-tetrahydroisoquinoline