Dương, Công-Thắng, and Xuan Thi Luu. “Ultrasound Accelerated Solvent-Free Synthesis of Ethyl 7-Methyl-5-Phenyl-5H-Thiazolo[3,2-A]pyrimidine-6-Carboxylate through Biginelli Reaction Catalyzed by Amberlyst-15”. Science & Technology Development Journal: Natural Sciences 4, no. 3 (August 24, 2020): 652-659. Accessed April 26, 2024. http://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/868.