KAKANEJADIFARD, ALI, and HOSSEIN TOOSI-JAMALI. “Synthesis and Characterization of N1´,N2&Acute;-Dihydroxy-N1,N2- bis(pyridine-2-ylmethyl)ethanediimidamide and Its Mono and Dinuclear Zn(II), Cd(II) and Hg(II) Complexes”. Asian Journal of Chemistry, vol. 20, no. 4, Mar. 2010, pp. 2835-40, https://asianpubs.org/index.php/ajchem/article/view/12652.