Synonyms: sodium 4,5-diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxoanthracene-2-sulphonate;4,5-Diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt;2-Anthracenesulfonic acid, 4,5-diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxo-, monosodium salt;2-Anthracenesulfonic acid, 4,5-diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxo-, sodium salt (1:1);4,5-Diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid, monosodium salt;Einecs 269-372-1