Part –III: Utilities of Active Methylene Compounds and Heterocycles Bearing Active Methyl or having an Active Methine in the Formation of Substituted and Fused Pyridines. Global Journal of Science Frontier Research, [S. l.], v. 22, n. B1, p. 19–36, 2023. Disponível em: https://testing.journalofscience.org/index.php/GJSFR/article/view/102575. Acesso em: 4 feb. 2026.