Table 1.

¹H- and ¹³C-NMR spectral data of 1 (CD₃OD, 400 MHz).

Position	δH (mult., J in Hz)	δC
1		168.2
2	5.79 (1H, s)	118.3
3		152.0
4	8.00 (1H, d, 15.7)	131.7
5	6.55 (1H, d, 15.7)	135.7
1′		83.3
2′		87.8
3′	2.03 (1H, dd, 13.7, 7.0) 1.73 (1H, dd, 13.7, 10.4)	46.0
4′	4.12 (1H, m)	66.0
5′	1.86 (1H, dd, 13.5, 6.9) 1.68 (1H, dd, 13.5, 13.5)	44.6
6′		49.2
7′	1.16 (3H, s)	19.6
8′	0.94 (3H, s)	16.4
9′	3.82 (1H, d, 7.5) 3.72 (1H, d, 7.5)	77.3
CH3-3	2.10 (3H, s,)	21.2
OCH3	3.70 (3H, s)	51.6