(2-(2-Hydroxyethoxy)ethyl)trimethylammonium iodide 41830-55-1 Ammonium, (2-(2-hydroxyethoxy)ethyl)trimethyl-, iodide Ethanaminium, 2-(2-hydroxyethoxy)-N,N,N-trimethyl-, iodide (9CI) O-(2-Hydroxyethyl)choline O-(2-Hydroxyethyl)choline iodide