Bi, Jian-Hong, Fu-Xin Xie, Xian-Sheng Sheng, and Xiang-Da Zhao. “Non-Template Synthesis and Characterization of 17-Membered Schiff Base Macrocycle Containing Oxygen and Nitrogen Heteroatoms and Its Metal Complexes ”. Asian Journal of Chemistry 14, no. 2 (March 30, 2010): 821–826. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/22158.