http://www.w3.org/ns/prov#value | - a propylene group when m is greater than 1, R.sub.1 is a hydrogen or methyl group, R is a C.sub.0 to C.sub.12, preferably a C.sub.2 to C.sub.8, alkylene group or a hydroxyl or carboxylic acid substituted alkylene group, alkene, a cycloalkyl, hydroxyl or
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