Sadiq M. Eidy and Mohammed R. Ahamad, “Synthesis and Characterization of Heterocyclic Derivatives Containing Five membraned rings from 2-mercapto-5-methyl-oxadiazole”, J. K. Chem. Sci., vol. 2, no. 9, pp. 98–114, Aug. 2023, doi: 10.36329/jkcm/2022/v2.i9.13289.