Heterocyclic CompoundsAza CompoundsHeterocyclic Compounds, Bridged-RingNitrogen CompoundsCyclizationHeterocyclic Compounds, 2-RingPalladiumMolecular StructureHeterocyclic Compounds with 4 or More RingsHeterocyclic Compounds, 3-RingMagnetic Resonance SpectroscopyHeterocyclic Compounds, 1-RingAzathioprineAzacitidineStereoisomerismStructure-Activity RelationshipSulfur CompoundsKineticsVolatile Organic CompoundsProtein BiosynthesisSpiro CompoundsMolecular Sequence DataDose-Response Relationship, DrugCells, CulturedCell LineRNA, MessengerPlant ExtractsDrug Evaluation, PreclinicalMutationSmall Molecule LibrariesChromatography, High Pressure LiquidEscherichia coliInhibitory Concentration 50Protein Synthesis InhibitorsPhenolsFuransSulfhydryl CompoundsEnzyme InhibitorsDrug DesignDNATime FactorsBiphenyl Compounds