Synthesis of 1,2,4-oxadiazoles utilizing ethyl 2-cyano-2-(2-nitrophenylsulfonyloxyimino) acetate (ortho-nosylOXY) as a catalyst and dehydrating reagent under microwave irradiation. IJC. 2023;62(5):454-464. doi:10.56042/ijc.v62i5.1428