| http://www.w3.org/ns/prov#value | - The lower alkyl include, for example, an alkyl group having 1 to 6 carbon atoms, such as a methyl group and an ethyl group, the lower alkoxyl group include, for example, an alkoxyl group having 1 to 6 carbon atoms such as a methoxy group and an ethoxy group, and the aryloxy group include, for example, an aryloxy group having 6 to 12 carbon atoms such as a phenoxy group, a methylphenoxy group and a
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