1H nuclear magnetic resonance spectroscopy (1H NMR) ()

dataset for 1H nuclear magnetic resonance spectroscopy (1H NMR) 1H NMR (400 MHz, CDCl3 [7.26 ppm], ppm): δ = 8.26 (d, J = 9.0 Hz, 1H), 8.17–8.10 (m, 2H), 7.78 (d, J = 9.6 Hz, 1H), 7.64 (d, J = 7.6 Hz, 1H), 7.61–7.48 (m, 5H), 7.47–7.40 (m, 1H), 6.80 (dd, J = 3.0, 1.0 Hz, 1H), 6.55–6.47 (m, 1H), 5.72 (t, J = 10.3 Hz, 1H), 4.70 (d, J = 11.2 Hz, 1H), 3.55 (s, 3H), 2.06–1.94 (m, 2H), 1.87 (tt, J = 11.2, 3.6 Hz, 1H), 1.29 (t, J = 7.5 Hz, 3H).