| http://www.w3.org/ns/prov#value | - (ii) ester radicals and polyester chains of formula in which the R8 groups, which are identical or different when n???2, are alkylene radicals which are linear or branched and which comprise 2 to 5 carbon atoms, and in which n is an integer selected such that the total number of carbon atoms of is between 2 and 168;
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