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2. “The Aldrich Library of Infrared Spectra,” Vol. 2, ed. by C. J. Pouchert, 2nd Ed., 1113D, Aldrich chem., Milwaukee, WI, 1975.
3. “The Aldrich Library of NMR Spectra,” Vol. 8, ed. by C. J. Pouchert, 98B, Aldrich chem. Co., Milwaukee, WI, 1974.