3-cyano-4-oxo-1,4-dihydro-quinoline-6-carboxylic acid 、
1-(氯甲基)-2-氟-4-(三氟甲基)苯 以gave 3-cyano-1-(2-fluoro-4-trifluoromethyl-benzyl)-4-oxo-1,4-dihydro-quinoline-6-carboxylic acid的产率得到3-cyano-1-(2-fluoro-4-trifluoromethyl-benzyl)-4-oxo-1,4-dihydro-quinoline-6-carboxylic acid