“…In addition, CIP is also used to prevent and treat certain travelers' diarrhea and anthrax exposure [6, 7]. However, excessive use of CIP may cause various side effects, such as nausea, diarrhea, headache, rash, central nervous system damage, peripheral neuropathy, cardiac arrhythmia, tendonitis, and tendon rupture [8, 9]. Therefore, the accurate detection of CIP is important to help identify patients' tolerance to drugs, study the metabolic pathway and pharmacokinetics of CIP, ensure environmental and food safety, and inspect drug quality compliance.…”