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. 2016 Aug 17;6:31633. doi: 10.1038/srep31633

Table 1. NMR spectroscopic data for compounds 1 and 2 (pyridine-d5).

Position 1
2
δC δH (J in Hz) δC δH (J in Hz)
1 77.8 4.57, brs 77.8 4.58, m
2 74.4 4.41, m 74.0 4.41, m
3 72.8 5.03, brs 72.8 5.03, brs
4 68.7 4.31, brs 68.7 4.31, brs
5 78.2   78.2  
6 30.5 2.48, d (13.2) 30.5 2.48, d (13.2)
1.67, m   1.67, m
7 28.8 1.54, m 28.8 1.50, m
1.14, m   1.10, m
8 35.2 1.71, m 35.2 1.71, m
9 45.7 1.22, m 45.7 1.20, m
10 45.5   45.5  
11 21.9 1.58, m 21.9 1.57, m
1.45, m   1.41, m
12 40.2 1.59, m 40.2 1.58, m
1.03, m   1.01, m
13 40.9   40.9  
14 56.4 1.03, m 56.4 1.01, m
15 32.5 2.03, m 32.5 2.02, m
1.44, m   1.43, m
16 81.7 4.59, m 81.8 4.58, m
17 63.3 1.81, m 63.4 1.80, m
18 16.8 0.84, s 16.8 0.83, s
19 13.9 1.59, s 13.9 1.58, s
20 42.2 1.96, m 42.2 1.95, m
21 15.3 1.09, d (7.0) 15.3 1.09, d (7.0)
22 109.8   109.8  
23 33.5 1.81, m 33.5 1.76–1.79, m
24 29.3 2.70, m 29.3 2.70, m
2.25, d (11.5)   2.24, d (11.5)
25 144.7   144.7  
26 65.4 4.47, d (12.1) 65.4 4.47, d (12.1)
4.04, d (12.1)   4.04, d (12.1)
27 109.1 4.82, s 109.1 4.81, s
4.78, s   4.78, s
2-O-Xyl   2-O-Ara  
1 103.5 5.15, d (7.5) 103.4 5.13, d (7.0)
2 75.4 4.08, m 72.8 4.56, m
3 78.7 4.18, m 74.8 4.22, m
4 71.4 4.24, m 69.7 4.36, m
5 67.7 4.40, m 67.3 4.38, m
    3.76, m   3.85, m