Convenient Partial Reduction of CO2 to a Useful C1 Building Block: Efficient Access to 13C‐Labelled N‐Heterocyclic Carbenes. - Phillips, Nicholas A.; Sapsford, Joshua S.; Csókás, Dániel; Kótai, Bianka; Perez‐Tabarnero, Ines; Díez‐González, Silvia; Scott, Daniel J.; Pápai, Imre; Ashley, Andrew E. (ChemCatChem, 2025)