Ertul, Seref, and Mevlüt Bayrakci. “Synthesis of Asymmetrical Macrocyclic Ligands and Their Metal Complexes”. Eurasian Chemico-Technological Journal 9, no. 3 (August 20, 2007): 193–197. Accessed May 19, 2024. https://ect-journal.kz/index.php/ectj/article/view/667.