| http://www.w3.org/ns/prov#value | - to 12 carbon atoms, e.g., acetyl, benzoyl, formyl, and pivaloyl), an alkoxycarbonyl group (preferably an alkoxycarbonyl group having 2 to 30 carbon atoms, more preferably 2 to 20 carbon atoms, and particularly preferably 2 to 12 carbon atoms, e.g., methoxycarbonyl and ethoxycarbonyl), an aryloxycarbonyl group (preferably aryloxycarbonyl group having 7 to 30 carbon atoms, more preferably 7 to 20 ca
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