ABU-SHANAB, F. A.; SHERIF, S. M.; MOUSA, S. A. S.; HASSAN, M. I. Preparation of Polyfunctionally Substituted Pyridine-2(1H) thione Derivatives as Precursors to Bicycles and Polycycles. ANGLISTICUM. Journal of the Association-Institute for English Language and American Studies, [S. l.], v. 3, 2016. Disponível em: https://anglisticum.org.mk/index.php/IJLLIS/article/view/713. Acesso em: 25 apr. 2025.