Furomollugin has antiviral activity, it can strongly suppress the secretion of hepatitis B surface antigen (HBsAg), with IC50 = 2.0 micrograms mL, in human hepatoma Hep3B cells.
(+)-Sophoranol exhibits antiviral activity against the Coxsackie virus B3. It also shows potent anti-HBV activity with an inhibitory potency against HBsAg secretion and against HBeAg secretion.