prov:value
| - Preferred solvents are hydrocarbons C1-C8, saturated or unsaturated, such as nitroalkanes, heptane, cyclohexane, benzene, nitrobenzene, dinitrobenzene, toluene, xylene, 1,1,2,2-tetrachloroethane, dichloromethane, dichloroethane, ether, dioxane, tetrahydrofuran, benzonitriles, dimethylsulfoxide, tetramethylene sulfone, carbon disulfide, and benzene rings substituted with at least one halide such as
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