Shekhanavar R, Kamath A, Kamanna K. Fe3O4@3-Aminopropyltriethoxysilane-SO3H: A greener catalyst for one-pot synthesis of pyranopyrimidine derivatives. Iran. J. Catal. 2025 Sep. 30;15(3). Available from: https://oiccpress.com/ijc/article/view/17192