7-(substituted)piperazinyl-1-ethyl-6-fluoro-4-oxo-3-quinolinecarboxylic acids, the pharmacologically acceptable salts thereof, compositions containing them, processes and intermediates for producing them, and methods of using them to treat bacterial infections in warm-blooded animals.
7-(取代)
哌嗪基-1-乙基-6-
氟-4-氧代-
3-喹啉羧酸、其药理上可接受的盐、含有它们的组合物、生产它们的工艺和中间体,以及用它们治疗温血动物细菌感染的方法。