1,2-Ethanediaminium, N,N,N,N',N',N'-hexamethyl-, diiodide 10428-58-7 Ammonium, ethylenebis[trimethyl-, diiodide Dimethonium diiodide Dimethylenebis(trimethylammonium) iodide Ethane-1,2-bis(trimethylammonium) iodide Ethylenebis[trimethylammonium iodide] NSC179887