UMAA, K., M. RAMANATHAN, K. KRISHNAKUMAR, and K. KANNAN. “Elucidation and Evaluation of Substituted Pyrimidines”. Asian Journal of Chemistry 21, no. 9 (March 30, 2010): 6674–6678. Accessed July 21, 2024. https://asianpubs.org/index.php/ajchem/article/view/12132.