Xu, Qiang, Yan-Hua Cai, and Feng Wang. “Synthesis of Peony-Like Cu(II) Complexes of Schiff Base Derived from 3,4-Dimethoxybenzaldehyde and P-Aminobenzoic Acid”. Asian Journal of Chemistry 25, no. 14 (August 12, 2013): 8146–8150. Accessed July 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_15_112.