| http://www.w3.org/ns/prov#value | - The term hydrocarbon embraces, but is not limited to, for example, alkyl, alkene groups (including thosegroups containing more than one unsaturated double bond), alkyne groups, aryl groups, aralkyl groups and related groups which are comprised of carbon and hydrogen atoms, such as alkylene groups (which are similar to alkyl groups except they aresubstituted at two carbons of the hydrocarbon with a
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