18956-84-8 20292-68-6 2494-56-6 2963-78-2 3922-86-9 BA 51-090059 Choline, butyrate (ester) (8CI) Ethanaminium, N,N,N-trimethyl-2-(1-oxobutoxy)- (9CI) N,N,N-Trimethyl-2-(1-oxobutoxy)ethanaminium butyrylcholine