(2-Hydroxyethyl)trimethylammonium iodide propionate 2494-55-5 4531-56-0 5072-54-8 Ammonium, (2-hydroxyethyl)trimethyl-, iodide, propionate Choline, iodide, propionate Choline, propionate, iodide EINECS 219-665-5 Ethanaminium, N,N,N-trimethyl-2-(1-oxopropoxy)-, iodide N,N,N-Trimethyl-2-(1-oxopropoxy)ethanaminium iodide NSC 83572 Propionylcholine iodide Trimethyl(2-propionyloxyethyl)ammonium iodide