Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
7-​Chloro-​1-​ethyl-​6-​fluoro-​1,​4-​dihydro-​4-​oxo-3-​quinolinecarboxylic Acid Ethyl Ester (Norfloxacin Impurity 5) is an impurity of Norfloxacin (N681000), an antibacterial agent and a contaminant of emerging concern (CECs).