| http://www.w3.org/ns/prov#value | - The method of claim 1, wherein the ester compound comprising at least one hydroxyl group is an unsaturated aliphatic acid ester comprising at least one hydroxyl group, an aliphatic monoester or a polyester comprising at least one hydroxyl group, an aromatic ester comprising at least one hydroxyl group, or an alicyclic ester comprising a least one hydroxyl group.
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