2-(p-Chlorophenylsulfonyl)ethyltrimethylammonium bromide 73664-00-3 AMMONIUM, (2-(p-CHLOROPHENYLSULFONYL)ETHYL)TRIMETHYL-, BROMIDE Ethanaminium, 2-((4-chlorophenyl)sulfonyl)-N,N,N-trimethyl-, bromide (9CI) NSC 202612