| http://www.w3.org/ns/prov#value | - Preferred examples include aromatic hydrocarbons such as benzene, toluene and xylene; ethers such as diethyl ether, tetrahydrofuran, 1,4-dioxane and ethylene glycol dimethyl ether; nitriles such as acetonitrile and propionitrile; and aprotic polar solvents such as N,N-dimethylformamide, dimethylsulfoxide, sulfolane, hexamethylphosphoric triamide, and 1,3-dimethyl-2-imidazolidinone.
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