Kumar, Birendra, Ashok Kumar, and Shashi kumar. 2010. “Synthesis of 2-Phenylimino-3-Phenyl Thiazolidine Δ2-2-Thio-6-P-Methoxy Phenyl (4,5-D)-Pyrimidine”. Asian Journal of Chemistry 13 (4):1633-36. https://asianpubs.org/index.php/ajchem/article/view/22854.