KAKANEJADIFARD, ALI, and HOSSEIN TOOSI-JAMALI. 2010. “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 20 (4):2835-40. https://asianpubs.org/index.php/ajchem/article/view/12652.