M. AL-AJELY, H.; T. SEDEEK, G.; S. AL-AJELY, M. Synthesis of some substituted pyrimidines via cycloaddition reaction of amidines and chalcones. Journal of Education and Science (JES), [S. l.], v. 22, n. 2, p. 38–46, 2009. DOI: 10.33899/edusj.2009.57680. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23498. Acesso em: 6 aug. 2025.