1,5-Dihydroxyxanthone (Compound 5) is a xanthone that can be isolated from the root of Garcinia cowa[1].
References
[1] Wahyuni FS, et al. Cytotoxic Properties and Complete Nuclear Magnetic Resonance Assignment of Isolated Xanthones from the Root of Garcinia cowa Roxb. Pharmacogn Mag. 2016 Jan;12(Suppl 1):S52-6. DOI:10.4103/0973-1296.176115
