NMR Spectrum

Prediction： 1H NMR (400 MHz, CDCl3) delta 7.96 (m, 2H), 7.32 (m, 2H), 7.26 (m, 2H), 7.22 (m, 2H), 4.76 (dd, J - 7.7, 2.9 Hz, IH), 2.89 (ddd, J - 1 1.5, 7.7, 4.2 Hz, IH), 1.84 (d, J = 2.9 Hz, 1 H), 1.62 (s, 9H), 1.61 (m, IH), 1.41 (m, IH), 1.05 (m, 2H), 0.76 (t, J = 7.3 Hz, 3H);

    ¹H NMR

¹³C NMR