label: N-(2-(3-(6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)piperidinio)ethyl)-4-fluorobenzamide
label_lc: n-(2-(3-(6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)piperidinio)ethyl)-4-fluorobenzamide