(4-((3-Chloro-4-((2-cyanoethyl)amino)phenyl)azo)phenacyl)trimethylammonium chloride (p-((3-Chloro-4-((2-cyanoethyl)amino)phenyl)azo)phenacyl)trimethylammonium chloride 37213-61-9 39280-37-0 72208-25-4 Benzeneethanaminium, 4-((3-chloro-4-((2-cyanoethyl)amino)phenyl)azo)-N,N,N-trimethyl-beta-oxo-, chloride EINECS 276-475-5