| http://www.w3.org/ns/prov#value | - (TEMPO=2,2,6,6-tetramethylpiperidine-nitroxyl) with bleach, e.g. sodium sodium chloride or calcium hypochlorite, preferably in the presence of a bromide salt, e.g. potassium bromide, in an appropriate solvent, such as methylene chloride and/or water, or
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