Boronic AcidsPalladiumChemistry, InorganicOrganotin CompoundsMolecular StructureBoric AcidsGlycolsbeta-LactamasesGentisatesStereoisomerismCatalysisKetonesEstersCombinatorial Chemistry TechniquesClavulanic AcidBoron Compoundsbeta-Lactam ResistancePyrazinesEnterobacteriaceae InfectionsAlcoholsbeta-LactamsProtease InhibitorsKlebsiella pneumoniaeEnterobacteriaceaeCopperAminesStructure-Activity RelationshipChymotrypsinDrug DesignBoronMicrobial Sensitivity TestsModels, MolecularAnti-Bacterial AgentsEnzyme InhibitorsSerine EndopeptidasesBacterial ProteinsCrystallography, X-RayKineticsMagnetic Resonance SpectroscopyIsotachophoresisHydrogen-Ion ConcentrationPeptidesLipaseSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationPancreas