Norwogonin, isolated from Scutellaria baicalensis Georgi, possesses antiviral activity against Enterovirus 71 (EV71) with an IC 50 of 31.83 μg/ml In Vitro Norwogonin (0.4, 2, 10, and 50 μg/mL; 48 hours) inhibits EV71 replication in Vero cells and prevents the cytotoxicity induced by EV71 infection. Norwogonin (50 μg/mL; 48 hours) dramatically decreases viral VP2 protein expression. Norwogonin (50 μg/mL; 48 hours) strongly decreases the expression of EV71 NCR gene at 48 h. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Form:Solid IC50& Target:IC50: 31.83 μg/ml (EV71)