| http://www.w3.org/ns/prov#value | - yethylene glycol; and U is halogen F, Cl, Br, or I!, sulfate, tosylate or carboxylate, such as acetate, polycarboxylate salts, functionalized carboxylate, such as trifluoroacetate and perfluoroalkylcarboxylates, or other alkyl and arylsulfonate salts including trifluoromethylsulfonate and perfluoroalkylsulfonate salts, phosphate and phosphonate salts, borate and boronate salts, or any other suitab
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