Quinolonecarboxylic acid derivatives of the following formula,
wherein R, R' and R2 are each independently hydrogen atom or lower alkyl group and Y is hydrogen atom or halogen atom; the hydrates and pharmaceutically acceptable salts thereof are useful as antibacterial agents.
下式的醌
羧酸衍
生物、
其中 R、R'和 R2 各自独立地为氢原子或低级烷基,Y 为氢原子或卤素原子;其
水合物和药学上可接受的盐类可用作抗菌剂。