(4-Methyl-m-phenylenebis(iminocarbonylmethylene))bis(diethylmethylammonium iodide) 101015-22-9 AMMONIUM, (4-METHYL-m-PHENYLENEBIS(IMINOCARBONYLMETHYLENE))BIS(DIETHYLMETHYL-, D Ammonium, (4-methyl-m-phenylenebis(iminocarbonylmethylene))bis(diethylmethyl-, diiodide IEM-294