Lidocaine BP Impurity A

9-Piperazino Levofloxacin;Levofloxacin 9-Piperazinyl Isomer;9-Piperazine Levofloxacin IMpurity;9-Piperazino Levofloxacin IMpurity;(S)-10-fluoro-3-methyl-9-(4-methylpiperazin-1-yl)-7-oxo-2, 3-dihydro-7H-[1, 4]oxazino[2, 3, 4-ij]quinoline-6-carboxylic acid;