1.Nguyen TN, Vu Minh Tan. Synthesis of some bis(styryl) containing coumarin ring from substituted 3-acetyl-4-methylcoumarin. Vietnam J. Sci. Technol. [Internet]. 2025 Oct. 23 [cited 2026 Jul. 21];63(5):864-7. Available from: http://vjst.vast.vn/jst/article/view/18669