8-Fluoro-1,6-dioxo-9-piperazin-1-yl-2,3-dihydro-1H,6H-1λ4-thia-3a-aza-phenalene-5-carboxylic acid

3-氯-4-氟苯胺

8-chloro-7-fluoro-3,4-dihydro-2H-1,4-benzothiazine

8-chloro-7-fluoro-4H-1,4-benzothiazin-3-one

10-chloro-9-fluoro-7-oxo-2,3-dihydro-7H-pyrido(1,2,3-de)(1,4)benzothiazine-6-carboxylic acid