A. Sheat M, I. Mohammed O. Synthesis of 1,3,4-Oxadiazole Derivatives from Ethyl-2-Piperidone-3-Carboxylate. JES [Internet]. 2012 Mar. 1 [cited 2025 Sep. 10];25(1):19-25. Available from: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41820