trisodium 5-amino-8-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-3-sulphonatophenyl]amino]-9,10-dihydro-9,10-dioxoanthracenedisulphonate

5-Amino-8-[4-(4,6-dichloro-1,3,5-triazin-2-ylamino)-3-(sodiosulfo)phenylamino]-9,10-dihydro-9,10-dioxo-1,6-anthracenedisulfonic acid disodium salt