Gas chromatography–mass spectrometry analysis of pheomelanin degradation products
Keywords: Alkyl chloroformate; Aminohydroxyphenylalanine; Derivatization; Gas chromatography–mass spectrometry; Melanin; Melanoma; Pheomelanin; 7-(2-Amino-2-carboxyethyl)-5-hydroxy-3,4-dihydro-2H-1,4-benzothiazine-3-one; 6-(2-Amino-2-carboxyethyl)-4-hydroxybenzothi