| http://www.w3.org/ns/prov#value | - Examples of the substituent include an alkyl group (preferably having from 1 to 20 carbon atoms, more preferably having from 1 to 12 carbon atoms, and particularly preferably having from 1 to 8 carbon atoms, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, n-octyl, cyclopropyl, cyclopentyl, cyclohexyl, trifluoromethyl, and trichloromethyl), an alkenyl group (preferably h
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