Synthesis of fluorene Heterocyclic Derivatives via (2-Acetyl fluorene\ Benzaldehyde) Chalcone. مجلة العلوم الأساسية [Internet]. 2021 Aug. 19 [cited 2026 Jun. 18];35(2). Available from: https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/1030