1277-38-9 Fe-Tspc Ferrate phthalocyanine tetrasulfonate Ferrate tetrasulfophthalocyanine Ferrate(4-), (29H,31H-phthalocyanine-C,C,C,C-tetrasulfonato(6-)-N29,N30,N31,N32)-, tetrahydrogen Iron phthalocyanine tetrasulfonate Iron tetrasulfophthalocyanine