Ghafel, Rajaa A. “Synthesisr Heteo Cyclic Compounds (four, Five and Seven) by Anil Compound and Study the Biological Activity”. Al-Qadisiyah Journal of Pure Science 19, no. 2 (July 22, 2017): 67-83. Accessed May 6, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/201.