Synthesis and Characterization of New Oxinane Barbituric Acid Derivatives from reaction of Ethylenediamine , Urea and Thiourea (Schiff-Bases) with malonic Anthydride. Al-Nahrain Journal of Science, [S. l.], v. 9, n. 1, p. 12–20, 2006. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1687.. Acesso em: 3 jul. 2024.