Figure 2.
The 1H NMR spectra of A) 14 a‐H3 (300 K, CDCl3, 500 MHz), B) 14 a‐H3 (205 K, CDCl3, 600 MHz), C) 14 b‐H (300 K, CDCl3, 600 MHz). The impurities were marked with asterisks.
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