2023. 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, 88 (Feb. 2023), 1–12. DOI:https://doi.org/10.35950/cbej.v21i88.9948.