6428-35-9 3,3-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[4,5-dihydroxynaphthalene-2,7-disulfonic acid disodium] salt
6428-34-8 7,7-Ureylenebis[4-hydroxy-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium] salt
6428-30-4 1H-1,2,4-Triazole-3-carboxylicacid,5,5'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[2,1-diazenediyl(2-amino-5-hydroxy-7-sulfo-6,1-naphthalenediyl)-2,1-diazenediyl]]bis-,sodium salt (1:4)