85187-44-6 EINECS 286-134-2 Ferrate(3-), tris(5,6-di(amino-kappaN)-1,3-naphthalenedisulfonato(2-))-, tripotassium Tripotassium tris(5,6-diaminonaphthalene-1,3-disulphonato(2-)-N,N')ferrate(3-)