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. Author manuscript; available in PMC: 2013 Sep 28.
Published in final edited form as: J Nat Prod. 2012 Aug 31;75(9):1553–1559. doi: 10.1021/np3002892

Table 1.

1H and 13C NMR Data of 1 – 3 (400 and 100 MHz, CDCl3, δ ppm)

No. 1
2
3
δC δH (J in Hz) δC δH (J in Hz) δC δH (J in Hz)
1 145.1, CH 7.54, s 145.1, CH 7.53, s 145.1, CH 7.53, s
2 121.7, C 121.6, C 121.6, C
3 18.6, CH2 2.87, dd (7.6, 16.8)
2.65, dd (8.8, 16.8)		 18.6, CH2 2.87, dd (7.6, 16.6)
2.65, dd (9.3, 16.6)		 18.5, CH2 2.87, dd (7.8, 17.0)
2.64, dd (8.7, 17.0)
4 17.0, CH2 2.27, m
2.18, m		 17.0, CH2 2.28, m
2.18, m		 17.0, CH2 2.27, m
2.18, m
5 31.3, CH2 2.56, m
1.74, td (3.8, 12.6)		 31.4, CH2 2.56, dt (3.6, 12.9)
1.75, td (4.3, 12.9)		 31.4, CH2 2.56, dt (3.5, 12.9)
1.74, td (4.4, 12.9)
6 37.5, C 37.5, C 37.4, C
7 147.6, C 147.4, C 147.4, C
8 144.2, C 144.2, C 144.2, C
9 170.5, C 170.4, C 170.4, C
10 137.9, C 138.2, C 138.5, C
11 127.0, CH 8.97, s 127.1, CH 9.01, s 127.6, CH 9.00, s
12 130.7, C 130.7, C 133.9, C
13 184.2, C 183.9, C 194.7, C
14 150.4, C 134.3, CH 7.10, s 37.5, CH2 3.13, m
15 133.5, CH 7.07, s 149.6, C 37.8, CH2 3.13, m
16 184.7, C 185.2, C 196.0, C
17 133.5, C 133.6, C 136.6, C
18 123.2, CH 8.19, s 123.2, CH 8.22, s 123.5, CH 8.19, s
19 156.5, C 156.2, C 156.5, C
20 32.7, CH3 1.52, s 32.7, CH3 1.53, s 32.8, CH3 1.51, s
21 60.0, CH2 4.73, s 60.0, CH2 4.72, s