| http://www.w3.org/ns/prov#value | - As used herein, the term ???polyacids??? encompasses diacids, triacids, tetracids, other higher acids, as well as acid anhydrides, dianhydrides, chlorides, esters, dimers, trimers, oligomers, polymers, and any other structures capable of forming at least two ester or amide linkages.
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