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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Phytochem Lett. 2017 Dec 26;24:1–5. doi: 10.1016/j.phytol.2017.12.012

Table 1.

1H NMR and 13C NMR data of 1 (δ in ppm, in DMSO-d6, 400 and 100 MHz).

Position δH δC
2 3.59, d, 3.1, 1H
4.30, m, 1H		 66.4
3 3.50, m, 1H 40.0
4 5.52, d, 6.8, 1H 78.5
5 6.98, s, 1H 105.8
6 – 141.5
7 – 147.9
8 6.52, s, 1H 93.6
9 – 154.1
10 – 118.8
1′ – 113.0
2′ – 149.9
3′ – 136.0
4′ – 151.4
5′ 6.55, d, 8.0,1H 110.3
6′ 7.00, d, 8.0, 1H 126.0
3′-OCH3 3.65, s, 3H 60.6
-O-CH2-O- 5.93, d, 8.0, 2H 101.5
OH-4′ 9.36, br s, 1H 151.4