3922-85-8 BRN 4132220 Choline, methanesulfonate (ester) Ethanaminium, N,N,N-trimethyl-2-((methylsulfonyl)oxy)- (9CI) Methanesulfonic acid, ester with choline N,N,N-Trimethyl-2-((methylsulfonyl)oxy)ethanaminium