2-Anthracenesulfonic acid, 1,4-diamino-9,10-dihydro-9,10-dioxo-3-phenoxy-, monosodium salt 2-Anthraquinonesulfonic acid, 1,4-diamino-3-phenoxy-, sodium salt 6408-71-5 EINECS 229-065-5 Sodium 1,4-diamino-9,10-dihydro-9,10-dioxo-3-phenoxyanthracene-2-sulphonate