6417-31-8 7-Benzothiazolesulfonic acid, 2-(4-((6-((((4-(acetylamino)phenyl)amino)carbonyl)amino)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-3-sulfophenyl)-6-methyl-, trisodium salt EINECS 229-135-5 Trisodium 2-(4-((6-((((4-(acetamido)phenyl)amino)carbonyl)amino)-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3-sulphonatophenyl)-6-methylbenzothiazole-7-sulphonate