| http://www.w3.org/ns/prov#value | - The acid (non-esterified) may contain from 2 to 40 carbon atoms, such as from 10 to 34 carbon atoms and further such as from 12 to 28 carbon atoms; it also may comprise from 1 to 20 hydroxyl groups, such as from 1 to 10 hydroxyl groups and further such as from 1 to 6 hydroxyl groups, which may be esterified with the aromatic acid.
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