| http://www.w3.org/ns/prov#value | - The aromatic iodonium complex salts are of the formula: ##STR3## where Ar1 and Ar2 are aromatic groups having 4 to 20 carbon atoms and are selected from the group consisting of phenyl, thienyl, furanyl and pyrazolyl groups; Z is selected from the group consisting of oxygen; sulfur; ##STR4## where R is aryl (of 6 to 20 carbons, such as phenyl) or acyl (of 2 to 20 carbons, such as acetyl, benzoyl, e
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