1-((2,5-Dimethoxy-4-((3-(acetylamino)phenyl)azo)phenyl)azo)-2-amino-8-hydroxynaphthalene-6-sulfonic acid, sodium salt 2-Naphthalenesulfonic acid, 5-((4-((3-(acetylamino)phenyl)azo)-2,5-dimethoxyphenyl)azo)-6-amino-4-hydroxy-, monosodium salt 66236-90-6 71545-72-7 72230-94-5 EINECS 266-270-9 Sodium 5-((4-((3-acetamidophenyl)azo)-2,5-dimethoxyphenyl)azo)-6-amino-4-hydroxynaphthalene-2-sulphonate