17139-54-7 2-((Bromoacetyl)oxy)-N,N,N-trimethylethanaminium 2-Bromoacetylcholine BRN 1778727 Bromoacetylcholine Choline, bromoacetate (ester) Ethanaminium, 2-((bromoacetyl)oxy)-N,N,N-trimethyl- (9CI)