SEARCH Articles Figures Tables Carbene ligands, organometallic chemistry Carbenes and Carbene Ligands in Organometallic Chemistry Chemistry organometallics Inorganic chemistry organometallic ligand Ligand chemistry Ligands in Organometallic Chemistry Ligands organometallics Organometallic chemistry Organometallic chemistry ligand-centered radicals Organometallic chemistry monodentate ligand Organometallic chemistry polydentate ligand Organometallic ligands Pyrazine, singlet and triplet valence excited as a ligand in organometallic chemistry