N-甲基哌嗪

7-氯-6-氟-1-对氟苯基-1,4-二氢-4-氧代-3-喹啉羧酸

2,4,5-三氟苯甲酰乙酸乙酯

α-(ethoxymethylene)-2,4,5-trifluoro-β-oxobenzenepropanoic acid, ethyl ester

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