I. Kalaf M, S.Hashim O. Synthesis & Characterization of Some 1, 3, 4-OxadiazoleDerivatives & new Cyclic Imides from Creatinine. Iraqi Journal of Science. 2023;56(2A):921-941. Accessed December 9, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10177