prov:value
| - Y is a bond; Z is selected from the group consisting of C1-10alkyl, C2-10alkenyl, C2-10alkynyl, hydroxyC1-10alkyl, aryl, heteroaryl, C1-10alkaryl, arylC1-10alkyl, heteroarylC1-10alkyl, C1-10alkoxyC1-10alkyl, C1-10alkylaminoC1-10alkyl, carboxyC1-10alkyl, C1-10dialkylaminoC1-10alkyl, aminoC1-10alkyl, heterocycle, heterocyclC1-10alkyl, R7NH, R7R7N, carbohydrate group, carbohydrate lactone group, and
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