N-(2-((4-(2-(Ethylamino) ethyl) phenyl) carbamoyl)-4,5-dimethoxyphenyl)-4-oxo-4H-chromene-2-carboxamide trifluoroacetate salt 、
1-吡啶-3-甲基-1H-吡咯-2-甲醛 以42%的产率得到N-(2-((4-(2-(Ethyl((1-(pyridin-3-ylmethyl)-1H-pyrrol-2-yl) methyl) amino) ethyl) phenyl)carbamoyl)-4,5-dimethoxyphenyl)-4-oxo-4H-chromene-2-carboxamide