| http://www.w3.org/ns/prov#value | - When the functional group in the second olefin is alkenyl, it is preferred that it has the formula wherein q is 0 or an integer of 1 to 20, R58 and R59 are hydrocarbyl or substituted hydrocarbyl, preferably alkyl containing 1 to 20 carbon atoms, R60 is a covalent bond or alkylene containing 1 to 20 carbon atoms, and R61 is hydrogen or alkyl containing 1 to 20 carbon atoms.
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