6473-12-7 3,3-[Iminobis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[4,5-dihydroxynaphthalene-2,7-disulfonic acid disodium] salt
6473-34-3 5-Chloro-4-hydroxy-3-[[4-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3-dimethoxy-1,1-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt