| http://www.w3.org/ns/prov#value | - Examples of those containing maleimide units are those having groups of the formula ##STR14## where each R17 is an alkyl group of 1 to 4 carbon atoms, a chlorine atom, or a phenyl group, and especially a methyl group or one of the groups R17 can be hydrogen and the other one is as defined above.
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