Synonyms: 2-Anthracenesulfonicacid, 4-amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-, monopotassium salt (9CI);Potassium 4-amino-1,3-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate;Potassium 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonate;