3-Quinolinecarboxylic acid, 1,4-dihydro-1-ethyl-6-fluoro-4-oxo-7-(4-(2-propenyl)-1-piperazinyl)- 7-(4-Allylpiperazinyl)-1-ethyl-6-fluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid 70458-97-8