| http://www.w3.org/ns/prov#value | - th a dibasic acid, or a derivative thereof, such as the anhydride, esters -or acyl halides thereof, in such manner that a disubstituted derivative of the dibasic acid is formed.- I The organic compounds formed according to the process of the present invention may be considered to be disubstituted amido-amide derivatives of dibasic acids.
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