EML631

1H NMR (400 MHz, DMSO) 9.89 (brs, 1H), 9.70 (brs, 3H), 7.63 (brs, 1H), 7.17 (d, J = 7.7 Hz, 1H), 7.09 (d, J = 8.3 Hz, 2H), 7.01 (s, 1H), 6.96 (d, J = 8.3 Hz, 2H), 6.81 (d, J = 8.2 Hz, 1H), 3.57–3.38 (m, 8H), 3.15–2.97 (m, 6H),  2.97–2.75 (m, 8H), 2.71–2.57 (m, 2H), 1.99–1.89 (m, 7H), 1.84–1.73 (m, 5H), 1.59–1.40 (m, 11H), 1.15–0.82 (m, 4H).

13C NMR (100 MHz, DMSO) 168.4, 167.2, 158.3, 158.0, 152.0, 143.0, 137.8, 137.2, 133.5, 128.2, 126.7, 125.7, 124.9, 124.0, 117.9, 116.2, 113.2, 53.2, 53.1, 52.0, 51.8, 33.0, 31.3, 22.5, 22.4.