1-(2-((4-((2,5-Dichloro-4-((dimethylamino)sulphonyl)phenyl)azo)phenyl)ethylamino)ethyl)pyridinium acetate 1-(2-((4-(4-(2,5-Dichloro-4-(dimethylsulfamoyl)phenyl)azo)phenyl)ethylamino)ethyl)pyridinium acetate 68929-03-3 EINECS 273-034-9 Pyridinium, 1-(2-((4-((2,5-dichloro-4-((dimethylamino)sulfonyl)phenyl)azo)phenyl)ethylamino)ethyl)-, acetate