| http://www.w3.org/ns/prov#value | - Z is a divalent group selected from ???O???, ???S???, ???NH???, ???N(C1???C6-alkyl)-, ???N(C3???C8 alkenyl)-, ???N(C3???C8 cycloalkyl)-, ???N(aryl)-, ???N(SO2C1???C6-alkyl) and ???N(SO2 aryl)-, provided that when Q is a photopolymerizable optionally substituted maleimide radical, Z represents a covalent bond; Q is an ethylenically-unsaturated, photosensitive polymerizable group; and
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