| http://www.w3.org/ns/prov#value | - cyclic ethers, for example diethyl ether, 1,2-dimethoxyethane and diisopropyl ether, and dioxan and tertrahydrofuran, respectively, lower aliphatic esters and amides, such as ethyl acetate and formamide, acetamide, N,N-dimethylacetamide and dimethylformamide respectively, and also acetonitrile, dimethyl sulfoxide and hexamethylphosphorus triamide; suitable acid-binding agents are especially organ
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