Synonyms: trisodium 5,8-bis[(2,6-diethyl-4-methyl-3-sulphonatophenyl)amino]-9,10-dihydro-1,4-dihydroxy-9,10-dioxoanthracene-2-sulphonate;2-Anthracenesulfonic acid, 5,8-bis[(2,6-diethyl-4-methyl- 3-sulfophenyl)amino]-9,10-dihydro-1,4-dihydroxy -9,10-dioxo-, trisodium salt;5,8-Bis[(2,6-diethyl-4-methyl-3-sulfophenyl)amino]-9,10-dihydro-1,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid trisodium salt;Einecs 280-140-9;Trisodium 5,8-bis((2,6-diethyl-4-methyl-3-sulphonatophenyl)amino)-9,10-dihydro-1,4-dihydroxy-9,10-dioxoanthracene-2-sulphonate