| http://www.w3.org/ns/prov#value | - As solvent, an ethertype solvent such as diethyl ether, tetrahydrofuran, dioxane, glyme, diglyme, or the like may preferably be used, and other anhydrous inert organic solvents such as hydrocarbon solvents, e.g. benzene, toluene, or the like may also be used.
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