Table 1.

¹H-NMR data of 3 (600 MHz, CDCl₃) ^a.

H		H
1	1.01 m	14	1.36 dd (10.2, 2.5) α
	1.97 m		1.76 m β
2	1.69 m	15	5.83 dd (17.3, 10.7)
	1.78 m
3	3.23 dd (11.5, 4.7)b	16	4.94 dd (10.7, 0.8)
			4.96 dd (17.3, 0.8)
6	5.56 d (6.3)	17	0.97 s
7	1.87 m	18	0.99 s
	1.98 m
8	1.77 m	19	1.15 s
10	2.72 m	20	0.98 s
12	1.95 dd (12.6, 2.5) α
	2.73 d (12.6) β

^a Chemical shift values are in δ (ppm); ^b Coupling constants are in Hz.