ThioureaUreaPhenylthioureaCrystallography, X-RayEthylenethioureaCrystallizationSpermatocidal AgentsThioamidesModels, MolecularBlood Urea NitrogenLiquid CrystalsPotassium IodideMolecular Structure2,2'-DipyridylIsothiuroniumProtein ConformationTachyphylaxisHydroxidesStructure-Activity RelationshipCinchona AlkaloidsPhloretinCrystallographyAllantoinHydroxyl RadicalBenzoic AcidMagnetic Resonance SpectroscopyProtein Structure, TertiaryRodenticidesBinding SitesMolecular Sequence DataCatalysisAmino Acid SequenceCyclizationStereoisomerism