| http://www.w3.org/ns/prov#value | - Useful derivatives of benzoic acid include, without limitation, phthalic anhydride, trimellitic anhydride, nitrophthalic anhydride, polyhalogenated phthalic anhydrides, o-sulfobenzoic anhydride, sulfoterephthalic acid, or benzaldehydes or aliphatic dicarboxylic acids or anhydrides such as a succinic anhydride or a glutaric anhydride.
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