Al- Zobaydi, S.F.N. and Hassan, E.M.M. (2013) “Synthesis Some Heterocyclic Compound based on 2,5–disubsituted Pyridine”, Al-Nahrain Journal of Science, 16(1), pp. 60–70. Available at: https://mail.anjs.edu.iq/index.php/anjs/article/view/713 (Accessed: 22 May 2026).