Table 1.

NMR spectral data of 1–2 (CDCl₃, 600 and 150 MHz).

No.	1		2		Caesalsappanin H
	δC, Type	δH (J in Hz)	δC, Type	δH (J in Hz)	δC, Type
1	30.2 CH2	1.69–1.72 (m)	37.7 CH2	1.28–1.30 (m)	37.8 CH2
		2.17–2.21 (m)		2.07–2.09 (m)
2	19.3 CH2	1.38–1.41 (m)	20.6 CH2	1.58–1.60 (m)	20.6 CH2
		2.59–2.63 (m)		2.23–2.25 (m)
3	33.1 CH2	1.28–1.32 (m)	28.5 CH2	1.82–1.83 (m)	28.6 CH2
		1.89–1.93 (m)		2.25–2.30 (m)
4	44.1 C		50.3 C		50.4 C
5	47.0 CH	1.73 (m)	47.2 CH	1.68–1.71 (m)	47.2 CH
6	25.6 CH2	1.18–1.20 (m)	24.2 CH2	1.19–1.21 (m)	24.2 CH2
		1.39–1.42 (m)		2.00–2.02 (m)
7	29.1 CH2	1.69–1.72 (m)	29.5 CH2	1.25–1.28(m)	29.5 CH2
		2.19–2.23 (m)		1.60–1.62 (m)
8	43.4 CH	1.49 (m)	41.5 CH	2.19–2.21 (m)	41.1 CH
9	42.2 CH	1.78 (m)	41.3 CH	1.51–1.53 (m)	41.3 CH
10	49.8 C		38.6 C		38.7 C
11	37.2 CH2	1.68–1.70 (m)	38.0 CH2	1.36–1.38 (m)	38.1 CH2
		2.75 (dd, 12.0,2.4)		2.51–2.53 (m)
12	107.4 C		105.5 C		105.9 C
13	171.0 C		173.4 C		173.7 C
14	37.0 CH	2.99 (qd, 7.2, 2.4)	37.1 CH	2.91 (qd, 7.2, 2.4)	37.1 CH
15	115.9 CH	5.86 (s)	113.5 CH	5.69 (s)	113.8 CH
16	169.9 C		170.7 C		170.7 C
17	12.2 CH3	1.14 (d, 7.2)	12.0 CH3	1.13 (d, 7.2)	12.1 CH3
18	175.3 C		175.6 C		175.5 C
19	162.6 CH	7.53, s	90.1 CH	5.60 (s)	90.1 CH
20	91.2 CH	5.07 (d, 2.4)	104.2 CH	4.49 (s)	105.4 CH
	59.3, CH2	3.30 (m)
		3.58 (m)
OCH2CH3-12	15.0, CH3	1.21 (t, 7.2)
OCH3-18	52.2	3.74 (s)	52.0	3.71 (s)	51.7
OCH3-20	57.1	3.72 (s)			55.7
OCH2CH2CH2CH3-20			67.8	3.22 (ddd, 9.6, 6.0, 3.0) 3.80 (ddd, 9.6, 6.0, 3.0)
OCH2CH2CH2CH3-20			31.9	1.32 (m)
				1.47 (m)
OCH2CH2CH2CH3-20			20.0	1.28 (m)
				1.43 (m)
OCH2CH2CH2CH3-20			13.7	1.87 (t, 7.2)