| http://www.w3.org/ns/prov#value | - 50??? C. or with m-chloroperbenzoic acid in methylene chloride or chloroform at -20??? to 60??? C., with sodium metaperiodate in aqueous methanol or ethanol at -15??? to 25??? C., with bromine in glacial acetic acid or aqueous acetic acid, optionally in the presence of a weak base such as sodium acetate, with N-bromo-succinimide in ethanol, with tert.butyl-hypochlorite in methanol at -80??? to -3
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