Khan, A.A., K. Mitra, and M.A. Mondal. “Microwave Promoted Y(NO3)3·6H2O Catalyzed Biginelli Synthesis of Dihydropyrimidin-2-Ones”. Asian Journal of Chemistry 29, no. 3 (December 30, 2016): 529–534. Accessed July 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/29_3_11.