C.I. 262085;3-[[Ethyl[4-[2-[4-[2-(3-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]phenyl]amino]methyl]benzenesulfonic acid sodium salt (1:2);Disodium 3-((ethyl(4-((4-((3-sulphonatophenyl)azo)-1-naphthyl)azo)phenyl)amino)methyl)benzenesulphonate;
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