T.M. Al-Thib A, M. M. Al-Salhi M. Spectral Characterization and Charge – Transfer Complexes of Some Schiff Bases Derived from Aminopyridines and Hydroxyacetophenones. Iraqi Journal of Science. 2023;55(3B):1127-1136. Accessed July 2, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11417