(2-(2-Chloroethoxy)ethyl)trimethylammonium perchlorate 74886-56-9 AMMONIUM, (2-(2-CHLOROETHOXY)ETHYL)TRIMETHYL-, PERCHLORATE Ethanaminium, 2-(2-chloroethoxy)-N,N,N-trimethyl-, perchlorate (9CI) O-(2-Chloroethyl)choline perchlorate