Cu(<scp>ii</scp>) immobilized on poly(guanidine-sulfonamide)-functionalized Bentonite@MgFe<sub>2</sub>O<sub>4</sub>: a novel magnetic nanocatalyst for the synthesis of 1,4-dihydropyrano[2,3-<i>c</i>]pyrazoleSedigheh Alavinia, Alireza Gharehkhani|RSC Advances|2023Cited by 22