title: A simple method for the preparation of desmethyl derivatives of some organophosphorus insecticides.
mesh_terms: D002855:Chromatography, Thin Layer; D003640:Dealkylation; D007306:Insecticides / Q000138:chemical synthesis*; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D009943:Organophosphorus Compounds
chemical_list: D007306:Insecticides; D009943:Organophosphorus Compounds