L. Moradi, G. R. Najafi, and H. Saeidiroshan, “New method for preparation of MWCNT-SO3H as an efficient and reusable catalyst for the solvent-free synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones”, Iran. J. Catal., vol. 5, no. 4, Feb. 2024, Accessed: Apr. 17, 2026. [Online]. Available: https://oiccpress.com/ijc/article/view/3874