| http://www.w3.org/ns/prov#value | - The solvent used therein include, for example, aromatic hydrocarbons such as benzene, toluene, etc.; ethers such as diethyl ether, tetrahydrofuran, etc.; halogenated hydrocarbons such as methylene chloride, chloroform, dichloroethane, etc.; aprotic polar solvents such as dimethylformamide, dimethylsulfoxide, hexamethylphosphoric triamide, etc.; acetonitrile; and the like.
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