C.I.23040

C.I.Direct Red 61

disodium 3,3'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulphonate)

3,3'-[(3,3'-Dichloro-1,1'-biphenyl-4,4'-diyl)bis(azo)]bis[4-amino-1-naphthalenesulfonic acid sodium] salt