1-(2-((4-((2,5-Dichloro-4-((dimethylamino)sulfonyl)phenyl)azo)phenyl)ethylamino)ethyl)pyridinium chloride 1-(2-((4-((2,5-Dichloro-4-((dimethylamino)sulphonyl)phenyl)azo)phenyl)ethylamino)ethyl)pyridinium chloride 72361-39-8 EINECS 276-596-3 Pyridinium, 1-(2-((4-((2,5-dichloro-4-((dimethylamino)sulfonyl)phenyl)azo)phenyl)ethylamino)ethyl)-, chloride