NMR:
1H NMR (400 MHz, MeOD-d4) δ 7.81–7.77 (m, 2H), 7.74 (d, J = 8.7 Hz, 1H), 7.50 (dd, J = 8.5, 2.4 Hz, 2H), 7.41–7.32 (m, 4H), 7.30–7.24 (m, 1H), 7.15 (d, J = 2.4 Hz, 1H), 7.00 (dd, J = 8.8, 2.4 Hz, 1H), 6.23 (dd, J = 4.4, 1.9 Hz, 1H), 5.33 (dt, J = 30.1, 7.1 Hz, 1H), 4.58–4.37 (m, 2H), 4.30 (d, J = 0.9 Hz, 1H), 4.20–4.15 (m, 1H), 4.01–3.84 (m, 2H), 3.82–3.73 (m, 2H), 3.64–3.55 (m, 1H), 3.26 (t, J = 9.8 Hz, 1H), 3.12–2.98 (m, 2H), 2.95–2.86 (m, 1H), 2.48–2.38 (m, 1H), 2.30–2.23 (m, 3H), 2.16 (t, J = 10.5 Hz, 1H), 1.99 (ddt, J = 12.9, 8.3, 4.3 Hz, 1H), 1.81 (dd, J = 36.4, 3.5 Hz, 2H), 1.50 (ddd, J = 54.1, 15.5, 8.5 Hz, 3H), 1.31 (s, 6H), 1.25 (s, 6H), 1.07 (dd, J = 6.6, 2.0 Hz, 3H), 0.94–0.84 (m, 3H).
13C NMR (100 MHz, MeOD-d4) δ 171.73, 169.83, 169.55, 169.18, 162.97, 160.17, 159.29, 141.10, 137.56, 135.34, 133.62, 131.17, 128.25, 127.26, 126.92, 126.50, 116.59, 115.73, 114.31, 104.36, 103.08, 93.72, 84.41, 81.00, 80.84, 69.32, 59.58, 59.03, 55.81, 51.05, 50.18, 44.40, 40.23, 40.07, 39.79, 38.23, 37.44, 31.59, 30.91, 27.35, 27.23, 23.03, 22.29, 20.15, 19.59, 19.02, 9.84.
