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Levofloxacin-2 Levofloxacin USP RC E Levofloxacin-002-S-HCl Levofloxacin Impurity B Levofloxacin impurity E Levofloxacin?EP Impurity G Levofloxacin Impurity B（HCL） Levofloxacin EP Impurity G HCl N,N'-Desethylene Levofloxacin 2 Levofloxacin Related CoMpound E Levofloxacin Diamine Derivative Levofloxacin Related Compound E HCl Levofloxacin diamine derivatives830 Levofloxacin USP Related Compound E USP Levofloxacin Related Compound E Levofloxacin Related Compound E(USP) Levofloxacin Hydrochloride Impurity B Levofloxacin USP Related Compound E HCl Levofloxacin USP related compound E hydrochloride Levofloxacin USP Related Compound E as Hydrochloride Levofloxacin Hemihydrate EP Impurity G as Hydrochloride Levofloxacin N-methyl ethylene diamine/Levofloxacin USP RC E Levofloxacin EP Impurity G HCl (N,N'-Desethylene Levofloxacin HCl) Levofloxacin EP Impurity G/ Levofloxacin Related Compound E (Levofloxacin Desethylene Impurity) Levofloxacin Related Compound E ((S)-9-Fluoro-2,3-dihydro-3-methyl-10-[2-(methylamino)ethylamino]-7 (1362158) (S)-9-fluoro-3-methyl-10-((2-(methylamino)ethyl)amino)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride (S)-9-fluoro-3-methyl-10-((2-(methylamino)ethyl)amino)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride (S)-9-fluoro-3-methyl-10-((2-(methylamino)ethyl)amino)-7-oxo -2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrogen chloride salt 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-[[2-(methylamino)ethyl]amino]-7-oxo-, hydrochloride (1:1), (3S)- Levofloxacin impurity 3/N,N’-Desethylene Levofloxacin Hydrochloride/(S)-9-fluoro-3-methyl-10-((2-(methylamino)ethyl)amino)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride