Feng, Qiuju, et al. “Electrocatalytic Carboxylation of Benzoyl Bromide With CO2 in Ionic Liquid 1-Butyl-3-Methyllimidazoliumtetrafluoborate to Methyl Phenyl Glyoxylate”. Asian Journal of Chemistry, vol. 26, no. 11, May 2014, pp. 3241-2, doi:10.14233/ajchem.2014.15993.