prov:value
| - Suitable solvent include but are not limited to, C r C 4 alcohols such as methanol, ethanol, n-propanol, isopropanol, n-butanol, isobutyl alcohol, tertiary butyl alcohol and the like and mixtures thereof; esters such as ethyl acetate and the like, ketones such as acetone, ethyl methyl ketone and the like; and their mixtures, preferably the solvent is methanol, isopropanol, acetone, ethyl acetate o
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