Synonyms: Ferrate(3-),tris[5,6-di(amino-kN)-1,3-naphthalenedisulfonato(2-)]-, tripotassium (9CI);Ferrate(3-),tris[5,6-diamino-1,3-naphthalenedisulfonato(2-)-N,N']-, tripotassium;1,3-Naphthalenedisulfonic acid, 5,6-diamino-, iron complex;Ferrate(3-), tris(5,6-di(amino-kappaN)-1,3-naphthalenedisulfonato(2-))-, tripotassium;Tripotassium; 5,6-diaminonaphthalene-1,3-disulfonate; iron(+3) cation;