Ding, Yu-Jie, Yang Wang, and Jian-Gang Gao. 2013. “Synthesis and Characterization of 4,4’-Dimethoxy-1,1’-[(butane-1,4-diyldioxy)bis(nitrilomethylidyne)]dibenzene”. Asian Journal of Chemistry 25 (10):5495-96. https://doi.org/10.14233/ajchem.2013.14672.