1323-87-1 50764-81-3 Anthracenesulfonic acid, 5,8-diamino-6,7-dichloro-9,10-dihydro-9,10-dioxo-, monosodium salt EINECS 215-360-6 Sodium 5,8-diamino-6,7-dichloro-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate