Hameed KK, Hussain FHS. Ultrasound-Assisted Synthesis of Some New N-(Substituted Carboxylic Acid-2-yl)-6-Methyl-4-Substituted Phenyl-3, 4-Dihydropyrimidine-2(1H)-One Carboxamides. EAJSE [Internet]. 2018 Dec. 1 [cited 2026 May 7];4(2):61-73. Available from: https://eajse.tiu.edu.iq/index.php/eajse/article/view/291