Davoodnia, A., R. Moloudi, N. Tavakoli-Hoseini, and M. Shaker. “Montmorillonite K10 As an Efficient and Reusable Catalyst for the Synthesis of Substituted Pyrazolo[3,4-d]pyrimidin-4-Ones Under Solvent-Free Conditions”. Asian Journal of Chemistry 24, no. 5 (January 2, 2012): 2195–2198. Accessed July 4, 2024. https://asianpubs.org/index.php/ajchem/article/view/8978.