Y. HUSSIN, H. Synthesis of some Acetylenic Amines Derivatives by Mannich Reaction. Rafidain Journal of Science, [S. l.], v. 20, n. 8, p. 52–57, 2009. DOI: 10.33899/rjs.2009.39942. Disponível em: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47229. Acesso em: 29 sep. 2025.