117458-86-3 3-Quinolinecarboxylic acid, 1,4-dihydro-1-ethyl-6-fluoro-7-(4-((4-methyl-5-methylene-2-oxo-1,3-dioxolan-4-yl)oxy)-1-piperazinyl)-4-oxo- 3-Quinolinecarboxylic acid, 1-ethyl-6-fluoro-1,4-dihydro-7-(4-((4-methyl-5-methylene-2-oxo-1,3-dioxolan-4-yl)oxy)-1-piperazinyl)-4-oxo- BRN 6550570 N-((4-Methyl-5-methylene-2-oxo-1,3-dioxolan-4-yl)oxy)norfloxacin