Figure 7.
1D/2D NMR spectra of F4 and F5. (A), 1H NMR spectrum of F4. (B), 1H NMR spectrum of F5. (C), 13C NMR spectrum of F4. (D), 13C NMR spectrum of F5. (E), overlapped spectra of 1H-13C HSQC (gray) and HMBC (red) of F4.
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