6-fluoro-1-methyl-7-(4-((5-methyl-2-oxo-1,3-dioxol-4-yl)methyl)piperazin-1-yl)-4-oxo-1,4-dihydro-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid; 6-Fluoro-1-methyl-7-[4-[(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl]-1-piperazinyl]-4-oxo-1H,4H-[1,3]Thiazeto[3,2-a]quinoline-3-carboxylic Acid; NM 441; Quisnon; Sword;