3,4-MethylenedioxyamphetamineN-Methyl-3,4-methylenedioxyamphetamineAmphetamineAmphetaminesDeoxyepinephrineHallucinogensSubstance Abuse DetectionMethamphetamineDesigner DrugsGas Chromatography-Mass SpectrometrySerotonin AgentsCentral Nervous System StimulantsForensic ToxicologyStreet DrugsDextroamphetamineStereoisomerismSpectrometry, Mass, Electrospray IonizationChromatography, High Pressure LiquidReproducibility of ResultsAmphetamine-Related Disorders