(2-Bromoethyl)trimethylammonium bromide 2758-06-7 Ammonium, (2-bromoethyl)trimethyl-, bromide BCB BCB (the plant regulator) BTAB BTAB(the plant regulator) Bromcholin Bromocholine bromide Ethanaminium, 2-bromo-N,N,N-trimethyl-, bromide Hypercyl Kathesin NSC32215 Trimethyl .beta.-bromoethylammonium bromide