20-hydroxyArachidicacid is a hydroxylated fatty acid that has been found in the suberin component of silver birch (B. pendula) outer bark as well as the leaves, roots, and wood of Q. ilex from Cala Violina and Colognole, Italy. 20-hydroxyArachidicacid was identified as a potential inhibitor of human rhinovirus coat protein in a structure-based virtual screen.