K. Shakya, Ashok, and Zaha El-Agbar. 2010. “Synthesis and Biological Evaluation of Schiff Bases of 2-Amino-5-(2-Chlorophenyl)-1,3,4-Oxadiazole”. Asian Journal of Chemistry 20 (4):2515-20. https://asianpubs.org/index.php/ajchem/article/view/12646.