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, [S. l.], v. 21, n. 88, p. 1–12, 2023. DOI: 10.35950/cbej.v21i88.9948. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9948.. Acesso em: 4 aug. 2026.