Salehzadeh, Sadegh, and Hassan Keypour. “Synthesis and Characterization of Mn(II), Ni(II), Cu(II), Zn(II) and Cd(II) Complexes of HeptadentateAsymmetrical Tripodal Schiff Base”. Asian Journal of Chemistry 18, no. 2 (March 30, 2010): 1387–1393. Accessed April 6, 2025. https://asianpubs.org/index.php/ajchem/article/view/21159.