(1,4-Phenylenebis(oxyethylene))bis(trimethylammonium iodide) 64049-54-3 AMMONIUM, (1,4-PHENYLENEBIS(OXYETHYLENE))BIS(TRIMETHYL-, DIIODIDE Ethanaminium, 2,2'-(1,4-phenylenebis(oxy))bis(N,N,N-trimethyl-, diiodide