Barazandehdoust M, Mamaghani M, Kefayati H. A Novel Cobalt Organic-Inorganic Hybrid Magnetic Nanocatalyst for Convenient Four-Component Synthesis of 3,4-Dihydropyridones. Iran. J. Catal. 2023;12(4). doi:10.30495/ijc.2022.1959315.1938