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In addition to the foregoing units, the base resin (B) may further comprise reoccurring units derived from other mono› mers, for example, substituted acrylic acid esters such as methyl methacrylate, methyl crotonate, dimethyl maleate and dimethyl itaconate, unsaturated carboxylic acids such as maleic acid, fumaric acid, and itaconic acid, cyclic olefins such as norbornene, norbornene derivatives, and tetracyclo [6.2.1.1 3 • $^{6}$.02 • $^{7}$]dodecene derivatives, unsaturated acid anhy› drides such as itaconic anhydride, and other monomers. Also, hydrogenated ROMP polymers as described in JP-A 2003-066612 may be used. 

The other monomers are exemplified below, but not limited thereto. 

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