3,4-MethylenedioxyamphetamineN-Methyl-3,4-methylenedioxyamphetamineDeoxyepinephrineHallucinogensAmphetaminesSubstance Abuse DetectionMethamphetamineDesigner DrugsGas Chromatography-Mass SpectrometrySerotonin AgentsForensic ToxicologyStreet DrugsAmphetamineHydrogenHydrogen BondingHydrogen PeroxideCentral Nervous System StimulantsStereoisomerismSpectrometry, Mass, Electrospray IonizationHydrogen SulfideChromatography, High Pressure LiquidReproducibility of Results