Abu-Shanab FA, Sherif SM, Mousa SAS, Hassan MI. Preparation of Polyfunctionally Substituted Pyridine-2(1H) thione Derivatives as Precursors to Bicycles and Polycycles. IJLLIS [Internet]. 2016 Jan. 8 [cited 2026 May 20];3. Available from: https://www.anglisticum.org.mk/index.php/IJLLIS/article/view/713