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. 2002 Feb;68(2):852–858. doi: 10.1128/AEM.68.2.852-858.2002

FIG. 3.

FIG. 3.

Mass spectra of the dimethyl esters of 2-carboxycyclohexylacetic acid produced in anaerobic degradation experiments with nonlabeled naphthalene (A), [1-13C]naphthalene (B), per-deuterated naphthalene-d8 (C), and nonlabeled naphthalene in a [13C]bicarbonate-buffered medium (D) used as substrates. MW, molecular weight.