Chai, Feng-Ying, Xin-Ying Zhang, Meng-Meng Zhao, Zheng-Kun Wang, Jiao-Long Meng, Li-Sha Zhang, and Ke-Tai Wang. 2013. “Synthesis and Characterization of Transition Metal Complexes With 2,2’-[(Propylene-1,3-diyldioxy)bis(nitrilomethylidyne)]diphenol”. Asian Journal of Chemistry 25 (16):9362-64. https://doi.org/10.14233/ajchem.2013.15633.