| http://www.w3.org/ns/prov#value | - R5 is a direct bond, an alkylene diradical of 1 to 14 carbons, an oxydialkylene diradical of 4 to 10 carbons, a thiodialkylene diradical of 4 to 10 carbons, or alkenylene diradical of 2 to 10 carbons, or an o-, m-, or p-phenylene radical;
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