A number of compounds were synthesized and tested for their ability to realkylate the phosphonate anion of “aged, soman-inhibited acetylcholinesterase. None were found able to do so, but two of the compounds in particular,[2-(4-pyridyl) ethyl] diethylmethylammonium iodide (6) and its 2-isomer 7, proved able to slow the rate of aging significantly.
