(p-Phenylenebis(oxy-2-butynylene))bis(diethylmethylammonium diiodide) 1,4-Bis(4-diethylamino-2-butynyloxy)benzene diiodomethylate 17124-36-6 2-Butyn-1-aminium, 4,4'-(1,4-phenylenebis(oxy))bis(N,N-diethyl-N-methyl-, diiodide Ammonium, (p-phenylenebis(oxy-2-butynylene))bis(diethylmethyl-, diiodide