6,7-difluoro-1-(2-fluoro-4-trifluoromethyl-benzyl)-4-oxo-1,4-dihydro-quinoline-3-carbonitrile 、
甘胺酸甲酯 以gave methyl[3-cyano-6-fluoro-1-(2-fluoro-4-trifluoromethyl-benzyl)-4-oxo-1,4-dihydro-quinolin-7-ylamino]-acetate的产率得到methyl [3-cyano-6-fluoro-1-(2-fluoro-4-trifluoromethyl-benzyl)-4-oxo-1,4-dihydro-quinolin-7-ylamino]-acetate