Citation: Klongdee, Fatima; Chainok, Kittipong; Youngme, Sujittra; Boonmak, Jaursup (2023). Variations in the structural composition of pyrazole-3,5-dicarboxylato Cu(ii) complexes with 1,2-di(4-pyridyl)ethane synthesized under different conditions. CrystEngComm, 25, pp. 3628-3636.