(2-Mercaptoethyl)trimethylammonium iodide propionate 1866-73-5 24578-90-3 Ammonium, (2-mercaptoethyl)trimethyl-, iodide, propionate (8CI) EINECS 217-482-5 Ethanaminium, N,N,N-trimethyl-2-((1-oxopropyl)thio)-, iodide NSC 97015 Propionylthiocholine iodide Trimethyl(2-propionylthioethyl)ammonium chloride