SEARCH Articles Figures Tables Cobalt porphyrins nitrosyl complexes Heme nitrosyl porphyrinate complexes Iron porphyrin nitrosyl Iron porphyrins nitrosyl complexes Manganese nitrosyl porphyrin Manganese porphyrins nitrosyl complexes Nitrosyl porphyrins electronic structure Porphyrin Nitrosyls Porphyrin Nitrosyls Porphyrins nitrosylated Porphyrins nitrosylated