(2-Hydroxyethyl)trimethylammonium iodide propionate 2494-55-5 Ammonium, (2-hydroxyethyl)trimethyl-, iodide, propionate Choline, iodide, propionate Choline, propionate, iodide Ethanaminium, N,N,N-trimethyl-2-(1-oxopropoxy)-, iodide NSC83572 Propionylcholine iodide WLN: 2VO2K1&1&1 &I