S. Zahiri, M. Mokhtary, and M. Torabi, “L-Proline catalyzed synthesis of Betti bases and biscoumarin derivatives”, Iran. J. Catal., vol. 5, no. 2, Feb. 2024, Accessed: May 19, 2026. [Online]. Available: https://oiccpress.com/ijc/article/view/3851