Isoeuphorbetin, a dimeric coumarin isolated from Viola philippica, is a potent HCV protease inhibitor with an IC50 of 3.63 µg/mL[1].
[1]. Ya-Li Wang, et al. Lignans, flavonoids and coumarins from Viola philippica and their α-glucosidase and HCV protease inhibitory activities. Nat Prod Res. 2019 Jun;33(11):1550-1555.
















