tetrasodium 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-(acetylamino)-4-hydroxynaphthalene-2,7-disulphonate]

Tetrasodium 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-(acetylamino)-4-hydroxynaphthalene-2,7- disulphonate)

3,3'-[(3,3'-Dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-(acetylamino)-4-hydroxy-2,7-naphthalenedisulfonic acid]tetrasodium salt