(m-Phenylenebis(oxy-2-butynylene))bis(diethylmethylammonium diiodide) 1,3-Bis(4-diethylamino-2-butynyloxy)benzene diiodomethylate 17124-33-3 2-Butyn-1-aminium, 4,4'-(1,3-phenylenebis(oxy))bis(N,N-diethyl-N-methyl-, diiodide Ammonium, (m-phenylenebis(oxy-2-butynylene))bis(diethylmethyl-, diiodide