Einecs 265-366-8

Benzoic acid, 4,4'-(ureylenebis((1-hydroxy-3-sulfo-6,2-naphthylene)azo))di-, tetrasodium salt

tetrasodium 4,4'-[carbonylbis[imino(1-hydroxy-3-sulphonatonaphthalene-6,2-diyl)azo]]dibenzoate

Benzoic acid, 4,4'-(carbonylbis(imino(1-hydroxy-3-sulfo-6,2-naphthalenediyl)azo))bis-, tetrasodium salt

4,4'-[Carbonylbis[imino[1-hydroxy-3-(sodiooxysulfonyl)-6,2-naphthalenediyl]azo]]bis(benzoic acid sodium) salt

Benzoic acid, 4,4'-(carbonylbis(imino(1-hydroxy-3-sulfo-6,2-naphthalenediyl)-2,1-diazenediyl))bis-, sodium salt (1:4)