|
Figure 4
NMR-H: 1H NMR (400 MHz, DMSO-d6) δ 9.67 (s, 1H), 8.14 (dd, J = 8.1, 1.2 Hz, 1H), 8.01 (dd, J = 7.9, 1.5 Hz, 1H), 7.76–7.66 (m, 2H), 7.62 (d, J = 7.4 Hz, 1H), 7.44 (ddd, J = 15.4, 9.8, 4.6 Hz, 3H), 5.31 (s, 1H), 3.76 (d, J = 7.7 Hz, 3H). |
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