Not Less Than - 95%
3-Quinolinecarboxylic acid, 1-cyclopropyl-8-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl); 1-Cyclopropyl-8-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic Acid;