prov:value
| - Exemplary solvents include chloroform, cyclohexanone, diethylformamide, tetrahydrofuran, dimethylsulfoxide, lower aliphatic ketones such as acetone, methylethyl ketone, lower saturated, aliphatic alcohols, for example, 1 to 4 carbon atoms and the like, including mixtures of such solvents.
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