Stereoselective analysis of ephedrine and its stereoisomers as impurities and/or by-products in seized methamphetamine by supercritical fluid chromatography/tandem mass spectrometry
Hiroki Segawa, Yuki Okada, Tadashi Yamamuro, Kenji Kuwayama, Kenji Tsujikawa, Tatsuyuki Kanamori, Yuko Iwata
Topics & Concepts
EphedrinePseudoephedrineMethamphetamineChromatographySupercritical fluid chromatographyChemistryMass spectrometrySupercritical fluidHigh-performance liquid chromatographyOrganic chemistryMedicinePharmacologyForensic Toxicology and Drug AnalysisAnalytical Chemistry and ChromatographyPsychedelics and Drug Studies