5-((4-(4-Nitro-2-sulfophenylamino)phenyl)azo)-2-hydroxybenzoic acid, 2:1 chromium complex, sodium salt 5-((4-(4-Nitro-2-sulfophenylamino)phenyl)azo)-2-hydroxybenzoic acid, 2:1 chromium complex, trisodium salt 83027-56-9 Chromate(3-), bis(2-hydroxy-5-((4-((4-nitro-2-sulfophenyl)amino)phenyl)azo)benzoato(3-)-O1,O2)-, trisodium EINECS 280-158-7 Trisodium bis(2-hydroxy-5-((4-((4-nitro-2-sulphophenyl)amino)phenyl)azo)benzoato(3-)-O1,O2)chromate(3-)