Oxyresveratrol is a stilbenoid. It is found in the heartwood of Artocarpus lakoocha and in the traditional drug 'Puag-Haad' made from it.^[1] It is also the aglycone of mulberroside A, a compound found in Morus alba, the white mulberry.^[2]

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Oxyresveratrol

Names
Preferred IUPAC name 4-[(E)-2-(3,5-Dihydroxyphenyl)ethen-1-yl]benzene-1,3-diol
Other names 2,3',4,5'-Tetrahydroxy-trans-stilbene
Identifiers
CAS Number	29700-22-9 Y
3D model (JSmol)	Interactive image
ChemSpider	4445033
ECHA InfoCard	100.108.380
KEGG	C10273
MeSH	C034912
PubChem CID	5281717
UNII	6V071CP5CR Y
CompTox Dashboard (EPA)	DTXSID801030442
InChI InChI=1S/C14H12O4/c15-11-4-3-10(14(18)8-11)2-1-9-5-12(16)7-13(17)6-9/h1-8,15-18H/b2-1+ Key: PDHAOJSHSJQANO-OWOJBTEDSA-N
SMILES C1=CC(=C(C=C1O)O)C=CC2=CC(=CC(=C2)O)O
Properties
Chemical formula	C14H12O4
Molar mass	244.24 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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Oxyresveratrol is a potent tyrosinase inhibitor.^[2]