title: Mass spectrometry of DNP-amino acids combination with paper chromatography.
mesh_terms: D000596:Amino Acids; D055598:Chemical Phenomena; D002621:Chemistry; D002854:Chromatography, Paper; D004140:Dinitrophenols; D013057:Spectrum Analysis
chemical_list: D000596:Amino Acids; D004140:Dinitrophenols