R. Somani, Rakesh, and P.Y. Shirodkar. “Synthesis, Antibacterial and Antitubercular Evaluation of Some 1,3,4-Oxadiazole Analogues”. Asian Journal of Chemistry, vol. 20, no. 8, Mar. 2010, pp. 6189-94, https://asianpubs.org/index.php/ajchem/article/view/12958.