"C795"^^ . "Quinolone Antibiotic"^^ . "Quinolone Antibiotic"^^ . "A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.MSH2002_06_01" . "Quinolone AntibioticPTNCI" . "C1882518"^^ . "Quinolone_Antibiotic"^^ . "Chemical Viewed Functionally"^^ . . . "The basic structure of quinolone is nalidixic acid that has limited therapeutic value. However, the development of fluorinated quinolones led to new derivative compounds with broad antibacterial activity. Both DNA gyrase and topoisomerase IV are targets of quinolones.NCI" .