''trans''-Diptoindonesin B is an

oligomer In chemistry and biochemistry, an oligomer () is a molecule that consists of a few repeating units which could be derived, actually or conceptually, from smaller molecules, monomers.Quote: ''Oligomer molecule: A molecule of intermediate relativ ...

ic stilbenoid. It is a

resveratrol Resveratrol (3,5,4′-trihydroxy-''trans''-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens, such as bacteria or fungi. Sources ...

trimer. It can be isolated from ''

Dryobalanops oblongifolia ''Dryobalanops oblongifolia'' is a species of plant in the family Dipterocarpaceae, native to regions of Southeast Asia and Maritime Southeast Asia. The species name is derived from Latin (' = rather long and leaf (' = leaf); and refers to the s ...

''.

References

Resveratrol oligomers {{Aromatic-stub