Xu, Q., Cai, Y.-H., & Wang, F. (2013). Synthesis of Peony-Like Cu(II) Complexes of Schiff Base Derived from 3,4-Dimethoxybenzaldehyde and p-Aminobenzoic Acid. Asian Journal of Chemistry, 25(14), 8146–8150. https://doi.org/10.14233/ajchem.2013.15399