Khan, M. W., M. E. Haque, and M. F. Ahmed. “An Expeditious Synthesis of 6-Amido-(1H,3H)-Pyrimidine- 2,4-Diones from Uracil-6-Carboxylic Acid”. Dhaka University Journal of Pharmaceutical Sciences, vol. 13, no. 1, Feb. 2015, pp. 23-29, doi:10.3329/dujps.v13i1.21856.