title: Iron(IV) porphyrins.
mesh_terms: D004572:Electrolysis; D007259:Infrared Rays; D007501:Iron; D009682:Magnetic Resonance Spectroscopy; D010084:Oxidation-Reduction; D011166:Porphyrins; D013057:Spectrum Analysis
chemical_list: D011166:Porphyrins; D007501:Iron