| http://www.w3.org/ns/prov#value | - Preferable organic groups are represented by the following formulae: where R9 is an alkylene group with 1 to 10 carbon atoms such as a methylene group, ethylene group, propylene group, or butylene group, with the methylene group and propylene group being preferable; R10 is represented by an alkyl group having 1 to 10 carbon atoms, such as a methyl group, an ethyl group, a propyl group, or a butyl
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