SEARCH Articles Figures Tables Bridged macrocyclic complexes with trivalent transition metal ions Bridged macrocyclic transition metal complexes Complexes macrocycles Macrocycle complexes Macrocycle, metalation Macrocycle-metal complex Macrocycles metal complexes Macrocycles metals Macrocyclic complexes Macrocyclic ligands transition metal complexes Metal macrocyclics ORR on Macrocyclic Transition Metal Complexes Transition metal macrocyclic complexes Transition metal macrocyclic complexes