Zhao, L., Cheng, Q., Zhang, Y.-J., Li, X., & Liu, P.-F. (2013). Synthesis and Supramolecular Structure of {5,5’-Dihydroxy-2,2’-[1,1’-(ethylenedioxydinitrilo)diethylidyne]diphenolato}Cu(II). Asian Journal of Chemistry, 25(8), 4675–4677. https://doi.org/10.14233/ajchem.2013.14574