1-((4-(Phenylazo)phenyl)azo)-6-((2-acetoxyethyl)methylsulfamoyl)-2-naphthol 2-Naphthalenesulfonamide, N-(2-(acetyloxy)ethyl)-6-hydroxy-N-methyl-5-((4-(phenylazo)phenyl)azo)- 61968-47-6 70210-08-1 EINECS 274-405-8 N-(2-Acetoxyethyl)-6-hydroxy-N-methyl-5-((4-(phenylazo)phenyl)azo)naphthalene-2-sulphonamide