NMR:
1H NMR (600 MHz, DMSO-d6, the major rotamer) δ 0.92 (s, 9H), 1.21 – 1.36 (m, 8H), 1.39 – 1.60 (m, 12H), 1.86 – 1.93 (m, 1H), 1.97 – 2.05 (m, 2H), 2.07 – 2.15 (m, 1H), 2.21 – 2.30 (m, 1H), 2.43 (s, 3H), 2.50 – 2.61 (m, 2H), 2.82 – 2.92 (m, 1H), 3.23 – 3.34 (m, 8H), 3.58 – 3.69 (m, 2H), 4.21 (dd, J = 5.5, 15.8 Hz, 1H), 4.31 – 4.37 (m, 1H), 4.38 – 4.47 (m, 2H), 4.53 (d, J = 9.4 Hz, 1H), 5.03 (dd, J = 5.5, 12.8 Hz, 1H), 5.09 (d, J = 3.6 Hz, 1H), 6.50 (t, J = 5.9 Hz, 1H), 7.00 (d, J = 7.0 Hz, 1H), 7.07 (d, J = 8.7 Hz, 1H), 7.35 – 7.43 (m, 4H), 7.56 (dd, J = 7.1, 8.6 Hz, 1H), 7.80 (d, J = 9.3 Hz, 1H), 8.52 (t, J = 6.1 Hz, 1H), 8.96 (s, 1H), 11.06 (br s, 1H);
13C NMR (151 MHz, DMSO-d6, the major rotamer) δ 16.08, 22.31, 22.42, 22.66, 25.60, 26.28, 26.53, 28.81, 28.97, 29.20, 29.31, 31.13, 34.78, 35.36, 38.09, 41.81, 41.96, 48.70, 56.44, 56.48, 58.84, 69.02, 69.79, 69.99, 70.05, 109.19, 110.52, 117.31, 127.58, 128.78, 129.80, 131.31, 132.35, 136.41, 139.65, 146.60, 147.87, 151.56, 167.45, 169.10, 169.86, 170.21, 172.08, 172.13, 172.92