prov:value
| - The organic solvent for use in the present invention includes alkyl alcohols having 1 to 4 carbon atoms such as methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, sec-butyl alcohol, tert-butyl alcohol, isobutyl alcohol, etc.; amides such as dimethyl formamide, dimethyl acetamide, etc.; ketones or ketoalcohols such as acetone, diacetone alcohol, etc.; ethers such a
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