Onal, Zulbiye, and Ilhan Ozer Ilhan. “Synthesis of Novel Pyrimidin-1(2H)-Ethanediamide Derivatives”. Asian Journal of Chemistry, vol. 23, no. 7, Mar. 2011, pp. 3221-3, https://asianpubs.org/index.php/ajchem/article/view/10592.