¹H (400 MHz) and ¹³C (100 MHz) data of compound 1 in CDCl₃ (δ in ppm, J in Hz).

Position	δ C, type	δ H (J in Hz)
1	68.2, CH2	5.14, s
2
3	169.7, C
4	108.3, C
5	155.3, C
6	115.9, C
7	157.1, C
8	114.3, C
9	145.5, C
10
11	79.2, C
12	44.5, CH2	2.64, d (14.5)
		2.39, d (14.5)
13	102.0, C
14	92.2, C
15	86.7, C
16
17	118.5, C
18	69.2, CH	3.80, dd (5.5, 0.9)
19	37.7, CH2	2.15, dd (15.9, 0.9)
		1.85, dd (15.9, 5.5)
20	39.2, C
21	38.2, CH	3.05, dd (7.5, 1.8)
22	17.8, CH2	2.95, m
23	10.9, CH3	2.06, s
24	27.3, CH3	1.35, s
25	78.2, CH2	4.16, d (9.7)
		3.95, d (9.7)
26	23.0, CH3	1.69, s
27	19.6, CH3	0.87, s
28	49.1, CH3	3.53, s
29	62.2, CH3	4.16, s