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Identification of the substance accumulated by mutants SK6184 and SK6190 during growth on eugenol. (A) Structure fragments established by NMR spectroscopy: 1H-NMR data (CD3OD), δ [ppm], J [Hz]. 13C NMR shift values (ppm) are shown in parentheses. (B) Chemical structure of 3-carboxy muconolactone.
