申请人:Kyorin Pharmaceutical Co., Ltd.
公开号:US04753953A1
公开(公告)日:1988-06-28
Pyridonecarboxylic acid derivatives of the following formula, ##STR1## wherein R is hydrogen atom or lower alkyl group, R.sup.1 is lower alkyl group, cycloalkyl group or haloalkyl group, Y is hydrogen atom or halogen atom, or Y and R.sup.1 are ##STR2## which work together, R.sup.2 is hydrogen atom, lower alkyl group, alkoxycarbonyl group or acyl group and n is 0 or 1; the hydrates and pharmaceutically acceptable salts thereof are useful as antibacterial agents.
以下式的吡啶酮羧酸衍生物,其中R是氢原子或较低的烷基基团,R.sup.1是较低的烷基基团、环烷基基团或卤代烷基基团,Y是氢原子或卤原子,或Y和R.sup.1是一起工作的,R.sup.2是氢原子、较低的烷基基团、烷氧羰基基团或酰基,n为0或1;其水合物和药学上可接受的盐被用作抗菌剂。