4 Z$ l- }; e& m# O. I
1H NMR (500 MHz, d6-DMSO) d 8.27 (1H, dd, J = 7.9 and 1.2 Hz), 7.92 (1H, dt, J = 7.6 and 1.3 Hz), 7.84 (1H, dt, J = 7.7 and 1.3 Hz), 7.51 (1H, dd, J = 7.5 and 1.1 Hz), 7.08 (2H, dd, J = 9.6 and 2.5 Hz), 6.99-6.97 (4H, m), 3.65 (8H, br q, J = 7.02 Hz), 3.60 (3H, s), 1.21 (12H, br t, J = 7.0 Hz).
, b9 ^/ L& J5 r
: s# i& g; e5 |$ s `4 u7 N9 E13C NMR (75 MHz, d6-DMSO) d 165.0, 157.9, 157.1, 155.1, 133.4, 133.3, 130.8, 130.8, 130.5, 130.5, 129.2, 114.6, 112.8, 95.9, 52.5, 45.3, 12.5.