| http://www.w3.org/ns/prov#value | - D is non-directionally selected from the group consisting of a covalent bond, ##STR4## and combinations thereof, where r and r' are independently integers of 0 to about 20, s is independently an integer of 1 to about 10 for each (Cs H2s O), t is an integer of 1 to about 6, and p is an integer of 0 to about 4;
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