6'-Hydroxy-3,4,2',3',4'-pentamethoxychalcone 是一种来自 Piper obliquum 的烯基酚，具有抗炎和抗菌活性。

Isogambogenic acid inhibits angiogenesis and may be a viable drug candidate in anti-angiogenesis therapy.

Steppogenin exhibits significant tyrosinase inhibition activity, ;it also shows strong mushroom tyrosinase inhibitory activity with IC(50) values lower than 50 microM, more potent than kojic acid (IC(50) = 71.6 microM), a well-known tyrosinase inhibitor.