LactonesChromogenic Compounds4-ButyrolactoneAcyl-ButyrolactonesFluorescent DyesQuorum SensingMolecular StructureSesquiterpenesHomoserineSulfur CompoundsStructure-Activity RelationshipPlant ExtractsVolatile Organic CompoundsMagnetic Resonance SpectroscopyPyronesChromatography, High Pressure LiquidColoring AgentsHair DyesDrug Evaluation, PreclinicalStereoisomerismChromobacteriumInhibitory Concentration 50FuransPhenolsSulfhydryl Compounds