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(Science: chemical) 6,8-difluoro-1-(2-fluoroethyl)-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid. A third-generation fluoroquinolone derivative with a broad antimicrobial spectrum. The drug strongly inhibits the dna-supercoiling activity of dna gyrase which may account for its antibacterial activity.

Pharmacological action: anti-infective agents, fluoroquinolone, enzyme inhibitors.

chemical name: 3-Quinolinecarboxylic acid, 6,8-difluoro-1-(2-fluoroethyl)-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-