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

ethyl 10-chloro-9-fluoro-7-oxo-2,3-dihydro-7H-pyrido<1,2,3-de><1,4>benzothiazine-6-carboxylate

芦氟沙星