Table 2.

¹H- (600 MHz) and ¹³C-NMR (150 MHz) data of 1 and 2.

Position	Compound 1 a		Compound 2 b
	13C	1H- (J Hz)	13C	1H- (J Hz)
1	80.9	4.34 m	31.5	2.30 m (2 H)
2	37.0	2.18 d (17.6) 2.82 dd (17.6, 6.0)	141.5	6.96 s
3	175.9	---	131.5	---
4	83.1	---	38.5	1.86 m (2 H)
5	50.9	2.42 dd (13.6, 1.2)	27.3	1.44 m, 2.14 m
6	31.7	1.86 m, 1.55 m	46.8	---
7	67.4	3.99 m	38.7	---
7-OH	---	4.61 m	---	---
8	42.2	2.26 m	25.4	1.52 m, 1.61 m
9	82.4	---	23.8	1.71 m, 2.30 m
9-OH	---	4.62 m	---	---
10	101.5	---	33.7	2.11 m, 2.30 m
11	35.2	2.21 m, 1.55 m	150.7	---
12	75.4	3.65 m	111.9	4.89 s, 4.43 s
12-OH	---	4.41 m	---	---
13	83.2	---	25.9	0.88 s (3 H)
14	69.3	---	21.4	0.92 s (3 H)
15	53.2	3.75 brs	170.5	---
16	24.2	1.86 m, 1.65 m
17	33.1	2.42 m
19	67.1	4.22 m
19-OH	---	5.56 m
20	21.6	2.10 m
21	18.7	0.91 d (6.4, 3 H)
22	33.7	1.40 m, 1.41 dd (14, 3.6)
23	105.4	---
24	148.9	7.11 s
25	130.3	---
26	171.2	---
27	10.2	1.80 s (3H)
29	22.1	1.04 s (3H)
30	28.1	1.19 s (3H)

Measured ^a in DMSO-d₆, ^b in CD₃OD.