1-(4-fluorophenyl)-4-iodo-2-oxo-1,2-dihydropyridine-3-carboxylic acid [4-(2-acetylaminopyridin-4-yloxy)-2,5-difluorophenyl]amide 、
乙胺 以to afford N-(4-((2-acetamidopyridin-4-yl)oxy)-2,5-difluorophenyl)-4-(ethylamino)-1-(4-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (60 mg, 76.9% yield)的产率得到N-(4-((2-acetamidopyridin-4-yl)oxy)-2,5-difluorophenyl)-4-(ethylamino)-1-(4-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide