Keywords
antioxidant; cotrimoxazole; emoxypine succinate; erespal; fenspiride; glycine; mexidol; piracetam; propranolol; unclassified drug; drug; direct analysis in real time mass spectrometry; drug screening; infrared spectroscopy; letter; mass spectrometer; mass spectrometry; priority journal; chemistry; comparative study; fraud; infrared spectrophotometry; mass spectrometry; procedures; standards; time; Fraud; Mass Spectrometry; Pharmaceutical Preparations; Spectrophotometry, Infrared; Time Factors; Fraud; Mass Spectrometry; Pharmaceutical Preparations; Spectrophotometry, Infrared; Time Factors