N-甲基哌嗪

8-chloro-7-fluoro-5-oxo-5H-thiazolo[3,2-a]quinoline-4-carboxylic acid

3-氯-4-氟苯胺

3-氯-4-氟苯基异硫氰酸酯

ethyl 7-chloro-6-fluoro-4-hydroxy-2-mercaptoquinoline-3-carboxylate