Synonyms: AC1L4TNI;3-[7,12-bis(ethenyl)-3,8,13,17-tetramethyl-18-(3-oxido-3-oxopropyl)porphyrin-21,24-diid-2-yl]propanoate; hydron; iron(2+); 1-methylimidazole;Ferrate(2-), (7,12-diethenyl-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoato(4-)-N(21),N(22),N(23),N(24))(1-methyl-1H-imidazole-N(3))-, dihydrogen, (SP-5-13)-