Einecs 265-572-8

2-Naphthalenesulfonic acid, 3-(phenylazo)-7,7'-ureylenebis(4-hydroxy-, disodium salt

4-Hydroxy-7-[3-(5-hydroxy-7-sodiooxysulfonyl-2-naphtyl)ureido]-3-phenylazo-2-naphthalenesulfonic acid sodium salt

disodium 4-hydroxy-7-[[[(5-hydroxy-7-sulphonato-2-naphthyl)amino]carbonyl]amino]-3-(phenylazo)naphthalene-2-sulphonate

Disodium 4-hydroxy-7-((((5-hydroxy-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-3-(phenylazo)naphthalene-2-sulphonate

2-Naphthalenesulfonic acid, 4-hydroxy-7-((((5-hydroxy-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-(phenylazo)-, disodium salt