【求助】帮忙再看看这个化合物，是白芷香豆素类的化合物吗？万分感谢

wshhuis

1H NMR (400 MHz, DMSO)
δ 8.39 (dd, J = 9.8, 0.6 Hz, 1H),
8.03 (d, J = 2.4 Hz, 1H),
7.40 – 7.33 (m, 1H),
7.31 (dd, J = 2.4, 1.0 Hz, 1H),
6.35 (d, J = 9.8 Hz, 1H),
5.22 (d, J = 5.8 Hz, 1H),
4.74 (dd, J = 9.9, 2.3 Hz, 1H),
4.44 (d, J = 11.2 Hz, 1H),
4.28 (dd, J = 9.9, 8.4 Hz, 1H),
3.64 (ddd, J = 8.2, 5.8, 2.3 Hz, 1H),
1.14 (dd, J = 29.2, 5.1 Hz, 6H).

wshhuis

难到没有人给力？