Synonyms: Ferrate(4-),[29H,31H-phthalocyanine-C,C,C,C-tetrasulfonato(6-)-N29,N30,N31,N32]-,tetrahydrogen; Iron, [tetrahydrogen phthalocyaninetetrasulfonato(2-)]- (8CI);29H,31H-Phthalocyanine-C,C,C,C-tetrasulfonic acid, iron complex; Ferroustetrasulfonated phthalocyanine; Iron tetrasulfophthalocyanine