BIRICIK, NERMIN, and CEZMI KAYAN. “Synthesis and Characterization of 4,4’-Diaminodiphenylmethane Schiff Bases”. Asian Journal of Chemistry 19, no. 3 (March 30, 2010): 2369–2373. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/13817.