| http://www.w3.org/ns/prov#value | - K is an aromatic group selected from the aromatic groups having the structures (VI) through (XIII) (although only one bond may be shown to represent connection to the aromatic group Ar, this will be deemed to represent any number of additional bonds as described and defined by n): ##STR8## in which R5, R6, and R7 are a linear or branched chain alkyl, alkyloxy, alkyl amine, alkyl sulfide, alkylene,
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