英文别名Norfloxacin EP Impurity F; 6-chloro-1-ethyl-4-oxo-7-piperazin-1-ylquinoline-3-carboxylic acid; 6-chloro-1-ethyl-4-oxo-7-piperazinyl-1,4-dihydro-quinoline-3-carboxylic acid; 6-chloro-1-ethyl-4-oxo-7-piperazin-1-yl-1,4-dihydro-quinoline-3-carboxylic acid 
