Hidrosmin is a

flavone Flavone is an organic compound with the formula . A white solid, flavone is a derivative of chromone with a phenyl (Ph) substituent adjacent to the ether group. The compound is of little direct practical importance, but substituted derivatives, ...

, a type of flavonoid. It is a vasoprotective.

References

Flavone glycosides Phenol ethers {{cardiovascular-drug-stub