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. Author manuscript; available in PMC: 2016 Feb 15.
Published in final edited form as: Adv Exp Med Biol. 2012;992:147–164. doi: 10.1007/978-94-007-4954-2_8

Figure 3.

Figure 3

Isotope-filtered (12C) and difference edited (13C) 2D 1H-1H isotope edited total correlation spectroscopy (ITOCSY) spectra of a synthetic mixture containing 30 unlabeled and six 13C-labeled metabolites. Resonance assignments for 13C-enriched compounds are shown [Reproduced with permission from reference 93].