Sobola, A. O., G. M. Watkins, and B. van Brecht. “Synthesis, Characterization and Biological Study of Cu(II) Complexes of Aminopyridine and (aminomethyl)pyridine Schiff Bases”. Journal of the Serbian Chemical Society, vol. 83, no. 7-8, Aug. 2018, pp. 809-1, doi:10.2298/JSC170913002S.