prov:value
| - Normally, monovalent alcohol having 1 to 20 carbon atoms, particularly 4 to 12 carbon atoms, especially 4 to 6 carbon atoms, is preferable.Examples of the monovalent alcohol include methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, isobutyl alcohol, tert-butyl alcohol, 1-pentanol, 2-pentanol, 3-pentanol, 2-methyl-1-butanol, isopentyl alcohol, tert-pentyl alcohol, 3-methyl-2-butanol,
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