1-(2-((4-(4-(2,6-Dichloro-4-(dimethylsulfamoyl)phenyl)azo)phenyl)ethylamino)ethyl)pyridinium acetate 68922-20-3 Pyridinium, 1-(2-((4-((2,6-dichloro-4-((dimethylamino)sulfonyl)phenyl)azo)phenyl)ethylamino)ethyl)-, acetate