Shekhanavar R, Khatavi SY, Kamanna K. Efficient and greener method synthesis of pyrano [2, 3-c] pyrazole derivatives catalyzed by Fe3O4@L-Cys-SH as reusable catalyst. Iran. J. Catal. 2025;15(3). doi:10.57647/j.ijc.2025.1503.33