TABLE III. NMR Spectroscopic Data (400 MHz in CD₃OD) for compound 3.

	Compound 3
C position	δC (mult.)	δH (mult., J Hz)	HMBC*
1	170.06, C
2	134.61, C
3	38.90, CH	3.62 (q, 7.1)	1, 2, 4, 1′, 7′
4	177.87, C
1′	144.84, CH	6.84 (t, 7.6)	1, 2, 3, 1′, 2′
2′	28.97, CH2	a: 2.22 (dddd, 14.0, 7.6,7.0, 7.0) b: 2.27 (dddd,14.0, 7.6, 7.0, 7.0)	2, 1′, 4′
3′	29.18, CH2	1.59 (quin like, 7.6, 7.3)	1′, 4′, 5′
4′	34.51, CH2	2.11 (qt, 7.2, 1.5)	3′, 5′, 6′
5′	139.52, CH	5.83 (ddt, J = 17.1, 10.2, 7.0, 7.0)	4′
6′	115.65, CH2	a: 5.03 (ddt, J = 17.1, 2.0, 1.7, 1.7) b: 4.97 (ddt, J = 10.2, 2.0, 1.7, 1.7)	4′, 5′ 4′, 5′
7′	16.44, CH3	1.30 (d, 7.1)	2, 3, 4

^*the numbers correspond to carbon atoms as shown in Fig. 2.