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

8-Amino-5-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-3-(sodiooxysulfonyl)phenyl]amino]-9,10-dihydro-9,10-dioxo-1,7-anthracenedisulfonic acid disodium salt