144108-31-6 2-((((3beta)-Cholest-5-en-3-yl)carbonyl)amino)-N,N,N-trimethylethanaminium iodide Cholesteryl-3beta-carboxyamidoethylene-trimethylammonium iodide Ethanaminium, 2-((((3beta)-cholest-5-en-3-yl)carbonyl)amino)-N,N,N-trimethyl-, iodide N,N,N-Trimethyl-N'-cholesteryl amidoethyl ammonium N,N,N-Trimethyl-N'-cholesteryl amidoethyl ammonium iodide Tmc-aea