1-Ethyl-6,8-difluoro-1,4-dihydro-7-(1-imidazolyl)-4- oxoquinoline-3-carboxylic acid derivative of the formula:
wherein R is hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and processes for preparing the same are disclosed. In form of pharmaceutical compositions they exhibit excellent anti-microbial activities and are useful as an anti-microbial agent for the treatment of infections diseases in warm-blood animals including human beings.
式中的 1-乙基-6,8-二
氟-1,4-二氢-7-(1-
咪唑基)-4-氧代
喹啉-3-羧酸衍
生物:
式中 R 为氢原子或具有 1 至 3 个碳原子的烷基的衍
生物及其制备方法均已公开。在药物组合物中,它们表现出优异的抗微
生物活性,可作为抗微
生物剂用于治疗包括人类在内的温血动物的感染性疾病。