“Synthesis and Characterization of New Oxinane Barbituric Acid Derivatives from reaction of Ethylenediamine , Urea and Thiourea (Schiff-Bases) with malonic Anthydride” (2006) Al-Nahrain Journal of Science, 9(1), pp. 12–20. Available at: https://anjs.edu.iq/index.php/anjs/article/view/1687 (Accessed: 23 November 2024).