| prov:value
| - roup having 2 to 30 carbon atoms, more preferably 2 to 20 carbon atoms, and particularly preferably 2 to 10 carbon atoms, e.g., acetoxy, and benzoyloxy), an acylamino group (preferably an acylamino group having 2 to 30 carbon atoms, more preferably 2 to 20 carbon atoms, and particularly preferably 2 to 10 carbon atoms, e.g., acetylamino, and benzoylamino), an alkoxycarbonylamino group (preferably
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