S, R., N. C.N, G. C.R, and B. N.S. “Synthesis, Characterization and Biological Evaluation of Some Substituted Thiohydantoins”. Malaysian Journal of Science, vol. 26, no. 2, Aug. 2007, pp. 81-89, https://ejournal.um.edu.my/index.php/MJS/article/view/8065.