7-(Dipropylamino)-6-fluoro-1-(5-(4-methyl-1-piperazinyl)-2-pyridinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid AIDS-146700 AIDS146700 NSC674551 {1-[5-(4-Methyl-1-piperazinyl)-2-pyridyl]-6-fluoro-(1,} 1-dipropylamino)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid