NFX53: Norfloxacin 3-Oxo Impurity

1-Ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-oxo-1-piperazinyl)-3-quinolinecarboxylic acid ;

CAS # 74011-42-0 ;

C16H16FN3O4 ;
Mol. Wt.: 333.31 ;