ProdrugsEstersMolecular StructureStereoisomerismProtein BiosynthesisDrug StabilityChemistry Techniques, SyntheticKineticsCyclizationDrug DesignFloxuridineProtein Synthesis InhibitorsNucleosidesBiotransformationHydrolysisCells, CulturedRNA, MessengerAniline MustardAmpyroneDrug Delivery SystemsMolecular Sequence DataEscherichia coliDNAAcyclovirCell LineCaco-2 CellsStructure-Activity RelationshipLiverOrganophosphonatesDipeptidesChromatography, High Pressure LiquidCycloheximideAmino AcidsDNA Replicationgamma-Glutamyl HydrolaseMagnetic Resonance SpectroscopyBase SequenceSolubilityMutationSulfadimethoxineAdenineTritiumLeucineInhibitory Concentration 50Drug Screening Assays, AntitumorBiopharmaceuticsIndicators and ReagentsAntiviral AgentsPhosphoric AcidsTime FactorsTranscription, GeneticCarbon IsotopesSulfamerazineAntineoplastic AgentsRNABiological AvailabilityDactinomycinCatalysisAmidesPhosphoramide MustardsNitroreductasesCarboxylesteraseCell-Free SystemBacterial ProteinsCell Line, TumorCell DivisionRabbitsDose-Response Relationship, DrugAzo CompoundsBromouracilTumor Cells, CulturedRibonucleosidesPuromycinThymidineAmino Acid SequenceOrganophosphorus CompoundsPeptide BiosynthesisCarboxylic Ester HydrolasesSubstrate SpecificityChemistry, PharmaceuticalPharmaceutic AidsRats, Sprague-DawleyPentanoic AcidsMethylprednisolone HemisuccinateBibenzylsChloramphenicolChemistry, Organic