Isocoumarin

Isocoumarin is a lactone, a type of natural organic compound.

Known natural compounds

Thunberginol A and B

; dihydroisocoumarins

Hydrangenol
Phyllodulcin
Thunberginol C, D, E and G
The derivative 3-acetyl-3,4-dihydro-5,6-dimethoxy-1H-2-benzopyran-1-one can be found in Huáng bǎi, one of the fifty fundamental herbs of traditional Chinese medicine.