| http://www.w3.org/ns/prov#value | - having 1 to 4 carbon atoms, n is an integer of 0 to 2, Z is at least one group of the formulae: ##STR4## (wherein R.sup.4 is hydrogen or methyl, Y.sup.1 is an ester group having 2 to 18 carbon atoms, phenyl or a halogen, Y.sup.2 is an ester group having
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