1.
Ahmad M, Mohammed AH, Ali Y, Al-Messri Z. Synthesis, Characterization and Evaluation of Some Pyranopyrazoles and Pyranopyrimidines Derivatives as Antioxidants for Lubricating Oils. Iraqi Journal of Science. 2023;55(1):1-11. Accessed December 5, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11919