A. SHEAT, M.; محمد; I. MOHAMMED, O.; O. Synthesis of 1,3,4-Oxadiazole Derivatives from Ethyl-2-Piperidone-3-Carboxylate. Journal of Education and Science (JES), [S. l.], v. 25, n. 1, p. 19–25, 2012. DOI: 10.33899/edusj.2012.58997. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17678. Acesso em: 4 aug. 2025.