N.sub.1 -(1,2-cis-2-halogenocyclopropyl)-substituted pyridonecarboxylic acid derivatives represented by the following formula (I) the terms of which are defined in the specification and the salts thereof are disclosed: ##STR1## These compounds have patent antibacterial activities against a wide variety of infectious bacteria and are useful as antibacterial agents by oral or parenteral administration.
以下为N.sub.1-(1,2-cis-2-卤代环丙基)-取代
吡啶酮羧酸衍
生物,其
化学式如下(I),其中术语在说明书中有定义,其盐也被揭示:##STR1##这些化合物具有专利抗菌活性,对多种感染性细菌具有作用,并可通过口服或静脉注射用作抗菌剂。