英文别名(S)-9-Fluoro-3-methyl-10-(4-nitrosopiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid; 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-(4-nitroso-1-piperazinyl)-7-oxo-, (3S); N-Desmethyl-N-nitrosolevofloxacine; N-Nitroso Levofloxacin EP Impurity B; N-nitroso-N-desmethyl Levofloxacin; N-Nitroso Desmethyl Levofloxacin; N-Nitroso Desethyl Levofloxacin; N-Nitroso Levofloxacin; N‐nitrosonorlevofloxacin; Levofloxacin Impurity 57