MonoterpenesTerpenesOils, VolatileCyclohexenesIntramolecular LyasesLavandulaThujaPolyisoprenyl PhosphatesHemiterpenesPentanesBicyclo CompoundsVolatilizationSesquiterpenes, GermacraneClarkiaAlkyl and Aryl TransferasesLamiaceaeMentha piperitaSesquiterpenesWoodThymolNorbornanesResins, PlantPinus sylvestrisMentholNitric AcidAcaridaePinusMyrtusGas Chromatography-Mass SpectrometryIlliciumCamphorDimethylallyltranstransferasePositron-Emission TomographyBeetlesOtoacoustic Emissions, SpontaneousIsomerasesMevalonic AcidPlant OilsTomography, Emission-ComputedDiphosphatesPlant LeavesAsteraceaeVehicle EmissionsFluorodeoxyglucose F18StereoisomerismRadiopharmaceuticalsDiterpenesChromatography, GasTomography, Emission-Computed, Single-PhotonLovastatinPlant Extracts