Carboxylic AcidsKetonesStereoisomerismMolecular StructureAmino Acids, CyclicEstersStructure-Activity RelationshipMagnetic Resonance SpectroscopyQuinic AcidBenzoic AcidEthylenesAzetidinecarboxylic AcidCinnamatesChromatography, High Pressure LiquidSpectrophotometry, Infraredortho-AminobenzoatesAmino AcidsTriterpenesIndicators and ReagentsPyrrolidonecarboxylic AcidAzetinesKineticsPhenazinesGas Chromatography-Mass SpectrometryMolecular ConformationGlycyrrhetinic AcidCatalysisMass SpectrometryCyclizationChemistryChromatography, Thin LayerChemical PhenomenaLyasesBenzoatesCaffeic AcidsSpectrophotometry, UltravioletInhibitory Concentration 50Hydrogen-Ion Concentration