| http://www.w3.org/ns/prov#value | - The bridging Q group may be a diradical of alkyl, aralkyl, alkylaryl, or aryl containing less than 10 carbon atoms, and may contain heteroatoms such as S, O, and N. The linkage between the bridging Q group and the water-soluble A group may be ether, ester, amide, or sulfoamido provided it is stable under the conditions of use.
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