6,7-difluoro-1-(2-fluoro-4-trifluoromethyl-benzyl)-4-oxo-1,4-dihydro-quinoline-3-carbonitrile 、
二甲胺 以gave 7-dimethylamino-6-fluoro-1-(2-fluoro-4-trifluoromethyl-benzyl)-4-oxo-1,4-dihydro-quinoline-3-carbonitrile的产率得到7-dimethylamino-6-fluoro-1-(2-fluoro-4-trifluoromethyl-benzyl)-4-oxo-1,4-dihydro-quinoline-3-carbonitrile