Solid Phase ExtractionChemistry, OrganicChemistry Techniques, SyntheticOrganic Chemistry ProcessesInorganic ChemicalsBurseraceaeCalibrationTandem Mass SpectrometryChromatography, High Pressure LiquidChromatography, LiquidOrganic Chemistry PhenomenaAcanthopanaxLimit of DetectionAlkenesGreen Chemistry TechnologyMolecular StructureCyclizationReproducibility of ResultsSpectrophotometry, AtomicStereoisomerismReference StandardsGas Chromatography-Mass SpectrometryCombinatorial Chemistry TechniquesMass SpectrometryHempaEvolution, ChemicalSpectrometry, Mass, Electrospray IonizationSensitivity and SpecificityOrganic ChemicalsWater Pollutants, ChemicalIndicators and ReagentsCatalysisPhenolsAlkynesKetonesBiological ProductsAminesPalladiumSolid-Phase Synthesis TechniquesSolid Phase MicroextractionAldehydesSpectrophotometry, UltravioletTooth Extraction