Levofloxacin Desethylene Diformyl Impurity ; Desethylene Diformyl Levofloxacin ; N,N’-Desethylene-N,N’-diformyl Levofloxacin

Levofloxacin Desethylene Diformyl Impurity ; Desethylene Diformyl Levofloxacin ; N,N’-Desethylene-N,N’-diformyl Levofloxacin

(3S)-9-fluoro-10-(formyl{2-[formyl(methyl)amino]ethyl}amino)-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid

Impurity reference standard used for related substances testing of Levofloxacin drug substance and drug product per pharmacopoeial limits.