IHVR-17028 is a potent and broad-spectrum antiviral agent. IHVR-17028 exhibits antiviral activity against BVDV, TCRV and DENV with EC 50 values of 0.4 μM, 0.26 μM, 0.3 μM, respectively. IHVR-17028 is a potent ER α-glucosidase I inhibitor with an IC 50 of 0.24 μM. IHVR-17028 can be used for infectious diseases research.