Ethyl-6,7,8

ANTIBIOTIC AND ANTIMICROBIAL
QUINOLONE

INTERMEDIATES OF LOMEFLOXACIN HYDROCHLORIDE

1.Ethyl-6,7,8-trifloro-1,2,5-rithydro-4-oxo-3-quinolinecarboxylate

Molecular	C12H8F3NO3
Molecular weight	271.19
Appearance	Light brown crystal
Assay	≥98%(HPLC)

2.Ethyl-6,7-difluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate
3.Ethyl-6,7,8-trifluoro-n-2,5-dihydro-4-oxo-3- quinolinecarboxylate

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