prov:value
| - hydrogen, or a hydrocarbyl such as an alkyl, either linear or branched, or an aromatic, or an arylalkyl, or an alkyalkyl, etc., having 1 to about 20 carbon atoms with from 1 to about 18 carbon atoms being preferred, and wherein n is 0, 1 or from 2 to about 100, and preferably from about 0 to about 20.
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