Supplementary data for the article: Dimitrijević, T.; Novaković, I.; Radanović, D.; Novaković, S. B.; Rodić, M. V.; Anđelković, K.; Šumar-Ristović, M. Synthesis, Spectral and Structural Characterization and Biological Activity of Cu(II) Complexes with 4-(Diethylamino)Salicylaldehyde and α-Diimines. Journal of Coordination Chemistry 2020, 73 (4), 702–716. https://doi.org/10.1080/00958972.2020.1740212