KH. AHMAD, A.; R. BUTTI, L. Synthesis of some azetidonone and 1, 3-oxazepine deritives from thymol. Journal of Education and Science (JES), [S. l.], v. 26, n. 4, p. 40–46, 2013. DOI: 10.33899/edusj.2013.89960. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23599. Acesso em: 6 aug. 2025.