| http://www.w3.org/ns/prov#value | - d particularly preferably 2 to 8 carbon atoms, such as vinyl, allyl, 2-butenyl or 3-pentenyl), an alkynyl group (preferably having 2 to 20 carbon atoms, still preferably 2 to 12 carbon atoms, and particularly preferably 2 to 8 carbon atoms, such as propargyl or 3-pentynyl), an aryl group (preferably having 6 to 30 carbon atoms, still preferably 6 to 20 carbon atoms, and particularly preferably 6 t
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