Chromogenic CompoundsSolventsFluorescent DyesMolecular StructureVolatile Organic CompoundsSulfur CompoundsStructure-Activity RelationshipMagnetic Resonance SpectroscopyPlant ExtractsColoring AgentsHair DyesModels, MolecularWaterPhenolsChromatography, High Pressure LiquidDrug Evaluation, PreclinicalKineticsOrganic ChemicalsBiphenyl CompoundsHeterocyclic CompoundsSulfhydryl CompoundsInhibitory Concentration 50Aniline CompoundsStereoisomerismVolatilizationSmall Molecule LibrariesRosaniline DyesOrganotin CompoundsDose-Response Relationship, DrugMethanolTolueneSpiro CompoundsOrganometallic CompoundsMolecular ConformationHydrogen-Ion ConcentrationGas Chromatography-Mass SpectrometryNitrogen CompoundsModels, ChemicalSpectrophotometry, UltravioletAcetonitrilesDrug DesignHexanesQuaternary Ammonium CompoundsHydrocarbons, AromaticOrganophosphorus CompoundsDrug Screening Assays, AntitumorNitroso CompoundsAzo Compounds