Table 1: NMR Spectral Data for Compounds 2 and 3 in CDCl₃

δH			δC
Position	2	3	2	3
1	1.79 (1H, m)	1.46 (1H, m)	35.33	34.79
	2.11(1H, m)	1.86 (1H, m)
2	2.46 (1H, dt J=5.7,15.0)	1.73 (1H, m)	34.34	27.43
	2.70 (1H, dt J=12.9, 15.9)	1.69 (1H, m)
3		3.30(1H, dd, J=5.7, 11.5)	214.63	77.94
4			47.20	38.92
5	1.48 (1H, dd J=3.2, 14.5)	1.63(1H, dd, J=5.4, 12.0)	50.36	49.82
6	2.35 (1H, m)	2.39 (1H, m)	37.13	36.65
	2.54 (1H, m)	2.41 (1H, m)
7			198.03	199.05
8			139.48	138.89
9			162.67	164.78
10			39.38	39.76
11	2.36 (1H, m)	2.35 (1H, m)	23.79	23.64
		2.31 (1H, m)
12	1.79 (1H, m)	1.82 (1H, m)	30.08	30.12
13			44.92	44.95
14			47.76	47.75
15	1.34 (1H, m)	2.07 (1H, m)	31.83	31.97
	1.97 (1H, m)	1.73 (1H, m)
16	2.09 (1H, m)	1.96 (1H, m)	28.64	28.76
	1.69 (1H, m)	1.35 (1H, m)
17	2.16 (1H, m)	1.44 (1H, m)	48.93	48.92
18	0.69 (3H, s)	0.70 (3H, s)	15.86	15.80
19	1.34 (3H, s)	1.21 (3H, s)	17.87	18.36
20	1.43 (1H, m)	1.47 (1H, m)	36.17	36.22
21	0.94 d (3H, d, J=6.1)	0.97 (3H, d, J=5.7)	18.54	18.60
22	2.48 (1H, m)	1.58 (1H, m)	34.82	34.88
		1.20 (1H, m)
23	2.25 (1H, m)	2.25 (1H, m)	25.58	25.62
		2.12 (1H, m)
24	6.88 (1H, dd, J=8.4, 7.7)	6.76 (1H, t, J=7.0)	142.97	143.08
25			127.19	127.18
26			168.71	168.71
27	1.84 (3H, s)	1.82 (3H, s)	12.31	12.34
28	0.94 (3H, s)	0.93 (3H, s)	24.87	24.98
29	1.12 (3H, s)	1.00 (3H, s)	25.32	27.41
30	1.10 (3H, s)	0.88 (3H, s)	21.36	15.29
31	3.58 (3H, s)	3.71 (3H, s)	51.65	51.69