Table 2.

¹H- and ¹³C-NMR data for compounds 1-2 (CDCl₃, δ in ppm and J in Hz).

Position	1			2
	δH	δC		δH	δC
1a	1.39 (m)	32.1			38.5
1b	167 (m)
2	1.49 (m)	27.5		2.24 ddd (14.3, 14, 6.4)	35.1
	1.85 (m)			2.75 ddd (14.3, 3.6, 3.4)
3	4.68 (s br)	78.3			216.8; 216.7
4		36.9			47.9
5	1.79 (m)	46.1		1.82 (m)	52.5; 52.4
6	1.73 (m)	22.9		1.70 (m)	23.3
7	5.23 (d, 2.4)	118.2; 118.1		5.28 br	118.2; 118.1
8		146.0; 145.9			145.8; 145.6
9	2.30 (t, 7.6); 2.2 (t, 7.6)	49.7; 48.8			49.6; 48.4
10		34.9			34.9
11	1.54 (m)	17.4			17.8
12a	1.53 (m)	35.3			35.2
12b	1.98 (m)
13		43.8; 43.6			43.8; 43.6
4		50.9; 50.4			50.8; 50.5
15	1.55 (m)	34.2			34.3
16	1.61 (m)	27.5; 27.1			27.5; 27.3
17	2.01 (m); 2.04 (m)	47.1; 45.2		2.03 (m); 2.06 (m)	47.1; 45.2
18	0.90 (s)	23.9		0.80 (s); 085 (s)	24.6
19	0.76 (s)	13.0			12.8
20	1.71 (m)	33.8; 31.7			33.8; 31.7
21	5.33 (d, 2.8); 5.29 (d,2.8)	101.8; 97.8			101.8; 97.8
22	1.98 (m)	31.5; 31.3			31.5; 31.3
23	3.89 (m); 3.83 (m)	78.5; 77.0		3.88 (m); 3.84 (m)	78.5; 77.1
24	2.82 (d, 7.6); 2.67(d,7.6)	67.8; 65.3		2.81 (d, 7.6); 2.67 (d, 7.6)	67.8; 65.4
25		58.0; 57.2			58.0; 57.2
26a)	1.29 (s); 1.28 (s)	25.0; 24.9		1.29(s); 1.28 (s)	25.0; 24.9
27a)	1.27 (s)	19.4; 19.2		1.26 (s)	19.5; 19.2
28	0.81 (s)	27.6		0.97 (s)	24.4
29	0.95 (s)	21.4		0.98 (s)	21.6
30	0.98 (s); 0.96 (s)	22.6; 22.3		1.00 (s); 1.07 (s)	22.6
1′		167.5
2′		129.2
3′	6.80 (qq, 6.8, 1.6)	136.6
4′	1.75 (d, 6.8)	14.4
5′	1.81 (s)	12.2

^a) values within any column may be interchanged.