| http://www.w3.org/ns/prov#value | - ndependently integers having a value of from 0 to 4, inclusive, and R8 is representative of a bond between aromatic carbon atoms as in dihydroxyl-diphenyl, or is a divalent radical, including for example, radicals such as ##STR19## --O--, --S--, --SO--, --S--S--, --SO2, and divalent hydrocarbon radicals such as alkylene, alkylidene, cycloalkylene, cycloalkylidene, or the halogen, alkyl, aryl or li
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