64062-74-4 1-Propanesulfonic acid,2,2'-[(dodecylimino)bis[(1-oxo-3,1-propanediyl)imino]]bis[2-methyl-,disodium salt
6406-49-1 6-Hydroxy-2-[3-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]phenyl]-7-[(2-methylphenyl)azo]-1H-naphth[1,2-d]imidazole-8-sulfonic acid sodium salt