1112-77-2 13213-99-5 Ammonium, diethyl(2-hydroxyethyl)methyl-, iodide Diethyl(2-hydroxyethyl)methylammonium iodide Diethylcholine iodide Ethanaminium, N,N-diethyl-2-hydroxy-N-methyl-, iodide N,N-Diethylmethylcholine iodide