ChemicalBook >?? ???? >ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ??? ???

???:: ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

???(??):: Levofloxacin-11;Levofloacin Impurity 9;Levofloacin Impurity K;Levofloxacin Impurity K;Levofloxacin Impurity 47;(R)-ethyl 9,10-difluoro-3-methyl-;ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate;ethyl (R)-(+)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate;7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3R)-;Levofloxacin impurity 13/Ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

?? ?? 48

ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ??

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Levofloxacin Impurity 18 9-Defluoro-9-(4-Methyl-1-piperazinyl) Levofloxacin Levofloxacin Impurity 11 Levofloxacin Acyl-β-D-glucuronide Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Levofloxacin Impurity 12 Levofloxacin Impurity 16 Levofloxacin Impurity 21 Levofloxacin Impurity 7 Descarboxyl Levofloxacin Levofloxacin Impurity 19 N,N'-Desethylene-N,N'-diforMyl Levofloxacin Levofloxacin DiaMine Levofloxacin N-oxide Levofloxacin Tetrafluoro Impurity 1 Levofloxacin Hydroxy Acid Levofloxacin (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid