| http://www.w3.org/ns/prov#value | - For example, a compound having a benzyl ester group can be converted to a carboxylic acid derivative by subjecting the compound to hydrogenation in the presence of a precious metal catalyst such as palladium or platinum, and a compound having a tert-butyl ester group can be converted to a carboxylic acid derivative by processing the compound with an acid such as trifluoroacetic acid or hydrogen ch
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