(2-(2-Bromoethoxy)ethyl)trimethylammonium bromide 74886-57-0 AMMONIUM, (2-(2-BROMOETHOXY)ETHYL)TRIMETHYL-, BROMIDE Ethanaminium, 2-(2-bromoethoxy)-N,N,N-trimethyl-, bromide (9CI) O-(2-Bromoethyl)choline bromide