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. 2016 Mar 2;2(1):9. doi: 10.3390/gels2010009

Figure 4.

Figure 4

Solution NMR Studies; (a) 1H NMR of caffeine in CDCl3 (top) and 2.0% toluene-d8 gel of caffeine and (b) variable temperature (VT) NMR of 2.0% toluene-d8 gel of caffeine. Also see supplementary Figures S6–S8.