Synonyms: Antimonate(5-),bis[4,5-dihydroxy-1,3-benzenedisulfonato(4-)-O4,O5]-, pentasodium, (T-4)-;Antimonate(5-), bis[4,5-dihydroxy-m-benzenedisulfonato(4-)]-, pentasodium(8CI); 1,3-Benzenedisulfonic acid, 4,5-dihydroxy-, antimony complex;1,3,2-Benzodioxastibole-4,6-disulfonic acid, 2-(2-hydroxy-3,5-disulfophenoxy)-,pentasodium salt