title: Transition metal complexes of porphins, corrins and related compounds.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003067:Coenzymes; D009942:Organometallic Compounds; D014805:Vitamin B 12
chemical_list: D003067:Coenzymes; D009942:Organometallic Compounds; D014805:Vitamin B 12