PhenindioneMass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationChromatography, LiquidChromatography, High Pressure LiquidSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryProteomicsSpectrometry, Mass, Secondary IonMolecular Sequence DataAmino Acid SequenceProteomeSpectrometry, Mass, Fast Atom Bombardment