| http://www.w3.org/ns/prov#value | - where R is an alkyl from about 1 to about 24 carbons, or an alkenyl of from about 2 to about 24 carbons, or a substituted or unsubstituted aryl or heterocyclic of from about 4 to about 24 carbons; A is an aryl or heterocyclic of from about 6 to about 24 carbons, a substituted or unsubstituted alkene of from about 2 to about 8 carbons, such as a vinyl group, a substituted or unsubstituted alkyne of
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