| http://www.w3.org/ns/prov#value | - D is a linking arm chosen from a linear and branched alkyl chain, which may be interrupted by one or more heteroatoms, which may be unsubstituted or substituted with at least one radical chosen from hydroxyl and C1-C6 alkoxy, and which may carry at least one ketone function; the members E, G, J, L and M, which are identical or different, are chosen from carbon, oxygen, sulphur or nitrogen atoms; n
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