disodium 1-amino-4-[[3-[[4-chloro-6-(2-ethoxyethoxy)-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-(2-ethoxyethoxy)-1,3,5-triazin-2-ylamino]-2,4,6-trimethyl-5-(sodiosulfo)phenylamino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt