title: Preparation of alpha-N-DNP ornithine and alpha-N-DNP lysine.
mesh_terms: D002855:Chromatography, Thin Layer; D004140:Dinitrophenols; D006863:Hydrogen-Ion Concentration; D008239:Lysine / Q000031:analogs & derivatives* / Q000032:analysis; D008722:Methods; D009952:Ornithine / Q000031:analogs & derivatives* / Q000032:analysis
chemical_list: D004140:Dinitrophenols; D009952:Ornithine; D008239:Lysine