英文别名NORF-006; Norfloxacin Impurity 5; 7-chloro-1-ethyl-6-fluoro-4-oxo-5-quinolinecarboxylic acid ethyl ester; 7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester; Pefloxacin EP Impurity G; 3-Quinolinecarboxylic acid, 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-, ethyl ester; ethyl-1-ethyl-6-fluoro-7-chloro-4-oxo-1,4-dihydro-quinoline-3-carboxylate; ETHYL 7-CHLORO-1-ETHYL-6-FLUORO-1,4-DIHYDRO-4-OXO-QUINOLINE-5-CARBOXYLATE; 7-chloro-3-ethoxy-carbonyl-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline; ethyl 7-chloranyl-1-ethyl-6-fluoranyl-4-oxidanylidene-quinoline-5-carboxylate; 1-ethyl-6-fluoro-7-chloro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ethyl ester; 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid,ethyl ester 
