2-Anthracenesulfonic acid, 4,5-diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxo-, monosodium salt 4,5-Diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid, monosodium salt 68227-60-1 EINECS 269-372-1 Sodium 4,5-diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxoanthracene-2-sulphonate