Phellodendron chinense
Encyclopedia
Phellodendron chinense is a plant species in the genus Phellodendron
Phellodendron
Phellodendron or Cork-tree, is a genus of deciduous trees in the family Rutaceae, native to east and northeast Asia. It has leathery, pinnate leaves and yellow, clumped flowers. The name refers to the thick and corky bark of some species in the genus.-Cultivation and uses:As an ornamental plant,...

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The isocoumarin
Isocoumarin
Isocoumarin is a lactone, a type of natural organic compound.-Known natural compounds:* Thunberginol A and Bdihydroisocoumarins* Hydrangenol* Phyllodulcin* Thunberginol C, D, E and G...

 derivative
Derivative (chemistry)
In chemistry, a derivative is a compound that is derived from a similar compound by some chemical or physical process. In the past it was also used to mean a compound that can be imagined to arise from another compound, if one atom is replaced with another atom or group of atoms, but modern...

3-acetyl-3,4-dihydro-5,6-dimethoxy-1H-2-benzopyran-1-one can be found in Huáng bǎi (P. chinense), one of the fifty fundamental herbs of traditional Chinese medicine.
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