| http://www.w3.org/ns/prov#value | - The esters useful herein include principally those derived from relatively low boiling alcohols such as methanol, ethanol, isopropanol, n-butanol, n-ipentanol, and other aloohols boiling below about C. In some instances, an aromatic ester such a sthe phenyl ester of the acid likewise may be used.
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