4-oxo-4H-chromene-2-carboxylic acid (2-(2-(4-(2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)-ethyl)-phenyl)-2H-tetrazol-5-yl)-4,5-dimethoxyphenyl)amide
4-oxo-4h-chromene-2-carboxylic acid (2-(2-(4-(2-(6,7-dimethoxy-3,4-dihydro-1h-isoquinolin-2-yl)-ethyl)-phenyl)-2h-tetrazol-5-yl)-4,5-dimethoxyphenyl)amide