A. Al-Alshaikh, M. (2011) “Ultrasound-Promoted Synthesis of 3,4-Dihydropyrimidin-2-(1H)-thiones via One-Pot, Three-Component Reaction Catalyzed by Formic Acid”, Asian Journal of Chemistry, 24(2), pp. 686–688. Available at: https://asianpubs.org/index.php/ajchem/article/view/8643 (Accessed: 25 November 2024).