Trifluoroacetic AcidFluoroacetatesSolventsAcetic AcidAcetic AnhydridesChromatography, High Pressure LiquidHydrochloric AcidChromatography, Reverse-PhaseMolecular StructureSpectrometry, Mass, Electrospray IonizationSpectrophotometry, UltravioletIndicators and ReagentsMass SpectrometryChromatography, LiquidCyanogen BromidePeptidesAmino AcidsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationCatalysisChromophore-Assisted Light InactivationAmino Acid SequencePeptide FragmentsStereoisomerismMolecular Sequence Data