Wogonin
Wogonin is an O-methylated flavone, a flavonoid-like chemical compound which was found in Scutellaria baicalensis.
The glycosides of wogonin are known as wogonosides. For example, oroxindin is a wogonin glucuronide isolated from Oroxylum indicum. It is one of the active ingredients of Sho-Saiko-To, a Japanese herbal supplement.