2-Butyryloxyethyltrimethylammonium chloride 2963-78-2 3922-86-9 Butrylcholine chloride Butyrylcholine chloride Choline, chloride, butyrate (8CI) EINECS 220-999-9 Ethanaminium, N,N,N-trimethyl-2-(1-oxobutoxy)-, chloride (9CI) NSC 70378