Kanmazalp, Sibel Demir, et al. “Synthesis and Crystal Structure of the Copper (II) Carboxylate With 2,2-Bipyridine, [Cu(4-mba)2(bipy)(H2O)]”. European Journal of Chemistry, vol. 14, no. 1, Mar. 2023, pp. 109-13, doi:10.5155/eurjchem.14.1.109-113.2390.