Oligostilbenoids (oligo- or polystilbenes) are oligomeric forms of stilbenoids. Some molecules are large enough to be considered polyphenols and constitute a class of tannins.
Examples Dimers Ampelopsin A Epsilon-viniferin Pallidol Quadrangularin A
Trimers α-Viniferin Ampelopsin E trans-Diptoindonesin B Gnetin H
Tetramers cajyphenol A cajyphenol B Flexuosol A Hemsleyanol D Hopeaphenol Vaticanol B R2-Viniferin (syn. Vitisin A)
Modified Diptoindonesin C can be isolated from the bark of Shorea pinanga
Other Diptoindonesin F can be isolated from the bark of Shorea gibbosa
Glycosides Diptoindonesin A
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