Ionic liquid [Et<sub>3</sub>NH][HSO<sub>4</sub>]catalyslyzed multicomponent synthesis of 6 amino-4-(Substituted phenyl)-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile<sup><strong> </strong><strong> </strong><strong><em> </em></strong><strong> </strong></sup> | Publicación