English Corrole Cited by user Rjwilmsi on 20 Dec 2015 A corrole is an aromatic organic chemical, the structure of which is similar to the corrin ring, which is also present in cobalamin (vitamin B12).
English Transition metal oxo complex Cited by user Inorgnaic580 on 21 Feb 2013 In coordination chemistry, an oxo ligand is an oxygen atom bound only to one or more metal centers.