“Synthesis of New N-Substituted -3- Chloro -2- Azetidinones for 2, 4-Diamino-6-Phenyl-1,3,5-Triazine”. Journal of the College of Basic Education 21, no. 88 (February 6, 2023): 1–12. Accessed August 3, 2026. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9948.