Synthesis, structural characterization, DFT calculation, and antitumor activity of a new Co(II) complex based on 2-((2'-Carboxybenzyl)oxy)benzoic acid and 2,2'-bipyridine ligands. - Sui BL; Wang LH; Tai XS; Al-Resayes SI; Azam M; Wang AL (BMC chemistry, 2026)