Davoodnia, A., M. Kosari, and N. Tavakoli-Hoseini. 2011. “Synthesis of Some Thieno[2,3-d]pyrimidin-4(3H)-Ones Using Microwave Irradiation Under Solvent-Free Conditions”. Asian Journal of Chemistry 23 (8):3654-56. https://asianpubs.org/index.php/ajchem/article/view/10707.