4-(4,6-Dichloro-1,3,5-triazin-2-ylamino)-5-hydroxy-6-(1-sulfo-2-naphtylazo)-2,7-naphthalenedisulfonic acid trisodium salt

trisodium 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(1-sulphonato-2-naphthyl)azo]naphthalene-2,7-disulphonate

2,7-Naphthalenedisulfonic acid, 5-(4,6-dichloro-1,3,5-triazin-2-yl)amino-4-hydroxy-3-(1-sulfo-2-naphthalenyl)azo-, trisodium salt