This invention relates to new derivatives of fluoro quinoline carboxylic-3 acid having general formula (I), ##STR1## wherein R is a hydrogen atom or an alkyl radical and Hal is a halogen atom, as well as salts thereof, when they exist, preparation thereof and utilization as synthesis intermediary.
本发明涉及具有一般公式(I)的新型
氟喹诺酸-3
羧酸衍
生物,其中R是氢原子或烷基基团,Hal是卤素原子,以及它们的盐(如果存在),其制备方法和作为合成中间体的利用。