1.
Mirjalili BBF, Keihanfar M. Nano-SiO2/hexamethylenetetramine promoted synthesis of pyrano[2,3-c] pyrazoles under solvent-free conditions. Iran. J. Catal. 2024;10(1). Accessed July 16, 2026. https://oiccpress.com/ijc/article/view/3539