Table 1.

¹H and ¹³C NMR Data for 1 ^a.

Position	1
	δC	δH (J/Hz)
1	193.4	10.21 (1H, s)
2	112.9
3	163.6
4	102.1	6.20 (1H, s)
5	158.5
6	120.0
7	148.5
8	38.7	4.71 (1H, d, 6.0)
9	121.4
10	150.0
11	114.0
12	135.6
13	119.4
14	154.0
15	17.9	2.42 (3H, s)
16	60.2	3.59 (3H, s)
1′	27.5	2.81 (2H, overlapped)
2′	51.1	2.81 (1H, overlapped)
3′	75.6
4′	26.8	1.55 (3H, s)
5′	24.6	1.38 (3H, s)
OH-3		11.74, brs

^a Measured at 400 MHz (¹H) and 100 MHz (¹³C), CDCl₃.