Tashtuosh, Hasan, et al. “Synthesis and Spectroscopic Properties Of2-[1-Benzyl-1,2,3,-Triazolo-4]-5-Aryl-1,3,4-Oxadiazoles”. Asian Journal of Chemistry, vol. 11, no. 2, Mar. 2010, pp. 441-9, https://asianpubs.org/index.php/ajchem/article/view/23302.