PATEL, P.V., and K.R. DESAI. “Synthesis of Antibacterial Activity of Pyrimidine-2-Thiones and Acetylpyrimidine-2-Thiols ”. Asian Journal of Chemistry, vol. 15, no. 1, Mar. 2010, pp. 91-94, https://asianpubs.org/index.php/ajchem/article/view/21510.