Rehman, Aziz-ur, et al. “Synthesis, Characterization and Urease Inhibiting Derivatives of 5-(3,4-Methylenedioxyphenyl)-1,3,4-Oxadiazol-2-Thiol”. Asian Journal of Chemistry, vol. 26, no. 15, July 2014, pp. 4605-9, doi:10.14233/ajchem.2014.16132.