T.S, Ahmed, Ibtessam K. J, and Sawan H. S. “Synthesis and Characterization of New Heterocyclic Compounds Derived from 2-Aminopyrimidine”. Journal of Kufa for Chemical Sciences 1, no. 3 (March 26, 2012). Accessed May 16, 2024. https://journal.uokufa.edu.iq/index.php/jkcs/article/view/3447.