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. Author manuscript; available in PMC: 2009 Mar 30.
Published in final edited form as: J Am Chem Soc. 2008 Mar 12;130(13):4212–4213. doi: 10.1021/ja7101218

Figure 2.

Figure 2

13C NMR multiplets (experimental in black and simulated fits in red) of natural abundance succinic acid at various pH. All spectra acquired at 14 T with 128–512 scans using Varian triple resonance H/C/N probe without 1H decoupling.