Synonyms: Iron(5+),[[4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[1-methylpyridiniumato]](2-)-N21,N22,N23,N24]-,(SP-4-1)-; Pyridinium,4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[1-methyl-, ironcomplex; 5,10,15,20-Tetrakis(N-methyl-4'-pyridyl)porphyrinato iron(III)