83763-85-3

Einecs 280-774-6 7-[[[[6-[(4-ethoxy-3-sulphophenyl)azo]-5-hydroxy-7-sulpho-2-naphthyl]amino]carbonyl]amino]-4-hydroxy-3-[(6-sulpho-2-naphthyl)azo]naphthalene-2-sulphonic acid, sodium salt 7-((((6-((4-Ethoxy-3-sulphophenyl)azo)-5-hydroxy-7-sulpho-2-naphthyl)amino)carbonyl)amino)-4-hydroxy-3-((6-sulpho-2-naphthyl)azo)naphthalene-2-sulphonic acid, sodium salt 2-Naphthalenesulfonicacid,7-[[[[6-[2-(4-ethoxy-3-sulfophenyl)diazenyl]-5-hydroxy-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-4-hydroxy-3-[2-(6-sulfo-2-naphthalenyl)diazenyl]-,sodium salt (1:?)