| http://www.w3.org/ns/prov#value | - oms, most preferably 2 to 8 carbon atoms, such as vinyl, allyl, 2-butenyl, and 3-pentenyl; alkynyl groups preferably having 2 to 20 carbon atoms, more preferably 2 to 12 carbon atoms, most preferably 2 to 8 carbon atoms, such as propargyl and 3-pentynyl; aralkyl groups preferably having 7 to 30 carbon atoms, more preferably 7 to 20 carbon atoms, most preferably 7 to 16 carbon atoms, such as benzyl
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