(2,3,7,8,12,13,17,18-Octaethyl-21H-5-oxaporphinatol-N21,N22,N23,N24)bis(pyridine)iron(1+) 108104-02-5 83017-37-2 Iron(1+), (2,3,7,8,12,13,17,18-octaethyl-21H-5-oxaporphinatol-N21,N22,N23,N24)bis(pyridine)- Octaethylverdohaemochrome Octaethylverdohemochrome