74499-55-1 Benzenesulfonic acid,3-[[4-[[5-cyano-6-[(2-hydroxyethyl)amino]-4-methyl-2-[[2-(4-sulfophenyl)ethyl]amino]-3-pyridinyl]azo]-2,5-dimethylphenyl]azo]-,disodium salt
74499-56-2 1,3,6-Naphthalenetrisulfonic acid, 7-[[4-(acetylamino)phenyl]azo]-8-hydroxy-, trisodium salt