Synonyms: Iron,m-oxobis[5,10,15,20-tetraphenyl-21H,23H-porphinato(2-)-N21,N22,N23,N24]di-;Iron, m-oxobis[5,10,15,20-tetraphenylporphinato(2-)]di-(8CI); 21H,23H-Porphine, 5,10,15,20-tetraphenyl-, iron complex;21H,23H-Porphine, iron deriv.; Bis(meso-tetraphenylporphyrinate)oxodiiron;Oxobis(meso-tetraphenylporphinatoiron); Oxobis(tetraphenylporphyrinato)diiron;Oxobis[(tetraphenylporphyrinato)iron]; m-Oxo-bis[(5,10,15,20-tetraphenylporphyrinato)iron(III)];m-Oxobis(tetraphenylporphyriniron(III)); m-Oxobis(tetraphenylporphyrin)diiron;m-Oxobis[(5,10,15,20-tetraphenylporphyrinato)iron];m-Oxobis[(meso-tetraphenylporphinato)iron];m-Oxobis[(tetraphenylporphyrinato)iron];m-Oxobis[a,b,g,d-tetraphenylporphinatoiron(III)];m-Oxobis[a,b,g,d-tetraphenylporphyrinato(2-)]diiron