182868-35-5 3-Quinolinecarboxylic acid, 8-bromo-1-cyclopropyl-6-fluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo- 8-bromo-1-cyclopropyl-6-fluoro-7-(3-methyl-piperazin-1-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid AIDS-022418 AIDS022418 PD 163753 PD163753