| http://www.w3.org/ns/prov#value | - Examples of such olefins are 1-olefins having 2???40 carbon atoms, preferably from 2 to 10 carbon atoms, e.g. ethene, propene, 1-butene, 1-pentene, 1-hexene, 4-methyl-1-pentene or 1-octene, styrene, dienes such as 1,3-butadiene, 1,4-hexadiene, vinylnorbornene, norbornadiene, ethylnorbornadiene and cyclic olefins such as norbornene, tetracyclododecene or methylnorbornene.
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