| http://www.w3.org/ns/prov#value | - Examples of suitable solvents include: hydrocarbons, especially aromatic hydrocarbons, such as benzene or toluene; ethers, such as tetrahydrofuran or dioxane; alcohols, such as methanol, ethanol or t-butanol; amides, such as N,N-dimethylacetamide, N,N-dimethylformamide or N-methyl-2-pyrrolidinone; ketones, such as acetone or methyl ethyl ketone; nitriles, such as acetonitrile; and sulfoxides, such
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