1-(2-((4-((2-Bromo-4,6-dinitrophenyl)azo)-3-methylphenyl)ethylamino)ethyl)pyridinium chloride 1-(2-((4-((2-Bromo-4,6-dinitrophenyl)azo)-m-tolyl)ethylamino)ethyl)pyridinium chloride 72361-40-1 EINECS 276-597-9 Pyridinium, 1-(2-((4-((2-bromo-4,6-dinitrophenyl)azo)-3-methylphenyl)ethylamino)ethyl)-, chloride