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