Synthesis of new N-Substituted -3- chloro -2- azetidinones for 2, 4-Diamino-6-phenyl-1,3,5-triazine. cbej [Internet]. 2023 Feb. 6 [cited 2026 Aug. 4];21(88):1-12. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9948