5H-Thiazolo(3,2-a)quinoline-4-carboxylic acid, 7-fluoro-5-oxo-8-(4-(2-propenyl)-1-piperazinyl)-

7-Fluoro-5-oxo-8-[4-(prop-2-en-1-yl)piperazin-1-yl]-5H-[1,3]thiazolo[3,2-a]quinoline-4-carboxylic acid