http://www.w3.org/ns/prov#value | - Those fumarate esters of the formula: wherein R is an alkyl substituent having l-20 carbon atoms, and R is selected from the group consisting of hydrogen, alkyl substituents having l-20 carbon atoms and monocyclic aralkyl substituents having 7l0 carbon atoms can be used as fumarate monomers according to the instant invention.
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