| http://www.w3.org/ns/prov#value | - Representative suitable polar solvents include solvents having a dielectric constant above 25 at room temperature such as polyols including 2-methyl-2,4-pentanediol, 2,4 pentanedione, glycerine or 2,2'-thiodiethanol; amides such as formamide, dimethyl formamide, dimethyl acetamide; alcohols such as methanol, or the like; and nitro substituted aromatic compounds including nitrobenzene, 2- furaldehy
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