Rehman, A.- ur et al. 2014. Synthesis, Characterization and Urease Inhibiting Derivatives of 5-(3,4-Methylenedioxyphenyl)-1,3,4-Oxadiazol-2-thiol. Asian Journal of Chemistry. 26, 15 (Jul. 2014), 4605–4609. DOI:https://doi.org/10.14233/ajchem.2014.16132.