Chromogenic CompoundsColorColor PerceptionColor VisionColor Perception TestsUltrasonography, Doppler, ColorFluorescent DyesColor Vision DefectsHair ColorMolecular StructureEye ColorPigmentationSulfur CompoundsVolatile Organic CompoundsColoring AgentsStructure-Activity RelationshipHair DyesPlant ExtractsDrug Evaluation, PreclinicalPhenolsMagnetic Resonance SpectroscopyEchocardiography, Doppler, ColorColorimetryHeterocyclic CompoundsInhibitory Concentration 50Rosaniline DyesBiphenyl CompoundsAniline CompoundsSulfhydryl CompoundsSmall Molecule LibrariesOrganotin CompoundsChromatography, High Pressure LiquidSpiro CompoundsDose-Response Relationship, DrugNitrogen CompoundsTime FactorsOrganometallic CompoundsStereoisomerismDrug DesignProsthesis ColoringAzo CompoundsNitroso CompoundsKineticsQuaternary Ammonium Compounds