英文同义词: | Norfloxacin EP Impurity C (Norfloxacin Dipiperazine Impurity);1-ethyl-4-oxo-6,7-di(piperazin-1-yl)quinoline-3-carboxylic acid;Norfloxacin EP Imp C;NorfloxacinEPImpurityCDitrifluoroacetate;1-ethyl-4-oxo-6,7-di(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid;Norfloxacin Impurity C(EP);3-Quinolinecarboxylic acid, 1-ethyl-1,4-dihydro-4-oxo-6,7-di-1-piperazinyl- |