trisodium 1-amino-4-[[3-[[4-chloro-6-(4-sulphonatophenoxy)-1,3,5-triazin-2-yl]amino]-2,4,6-trimethyl-5-sulphonatophenyl]amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate

1-Amino-4-[[3-[[4-chloro-6-[4-[(sodiooxy)sulfonyl]phenoxy]-1,3,5-triazin-2-yl]amino]-2,4,6-trimethyl-5-[(sodiooxy)sulfonyl]phenyl]amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt