6,7-difluoro-4-oxo-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile 、
二甘醇胺 以gave 6-fluoro-7-[2-(2-hydroxy-ethoxy)-ethylamino]-4-oxo-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile的产率得到6-fluoro-7-[2-(2-hydroxy-ethoxy)-ethylamino]-4-oxo-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile