| http://www.w3.org/ns/prov#value | - m about 1 to about 50 carbon atoms, or oxyethylene; R' is a hydrocarbon, preferably an alkylene with from about 2 to about 50 carbon atoms, or arylene with from about 7 to about 20 carbon atoms, such as phenylene; and n is an integer of 2 to 20.
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