| http://www.w3.org/ns/prov#value | - The Q group is preferably selected from the group consisting of: alkylene [--(CH2)n --], sulfonamido alkylene [--SO2 NR(CH2)n --], alkylene carboxyloxy alkylene [--(CH2)n COOCH2 CH2 --], sulfonamido alkyleneoxy alkylene [--SO2 NR(CH2 CH2 O)n CH2 CH2 --, sulfonato phenylene ##STR1## and sulfonamido phenylene ##STR2## where R is hydrogen or alkyl having 1 to 14 carbon atoms and N is an integer
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