1-(p-fluorophenyl)-6,7-difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid ethyl ester

ethyl 3-(4-fuoroanilino)-2-(2,4,5-trifuorobenzoyl)acrylate

2',4'-二氯-5'-氟苯乙酮

2,4-二氯-5-氟-Β-氧代苯丙酸乙酯

7-氯-6-氟-1-对氟苯基-1,4-二氢-4-氧代-3-喹啉羧酸