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.

TM6089 is a unique Prolyl Hydroxylase inhibitor which stimulates HIF activity without iron chelation and induces angiogenesis and exerts organ protection against ischemia.

Neosalvianen was isolated from Salvia miltiorrhiza.