M. E. Sedaghat, F. Farhadi, M. R. Nazarifar, and R. Sheikhi Kamareji, “Employing a hydrophobic-bentonite as a highly efficient and versatile catalyst for a green one-pot and rapid synthesis of 4H-benzo-[b]-pyran derivatives”, Iran. J. Catal., vol. 8, no. 4, Feb. 2024, Accessed: Jun. 13, 2026. [Online]. Available: https://oiccpress.com/ijc/article/view/4020