Table 2.

NMR spectra of the compound 9 in DMSO-d ₆.

No.	13C-NMR	1H-NMR	HMBC
2	78.4	5.50 (dd, J = 12.5, 3.0 Hz, 1H)	H-3b, H-2′
3	42.1	2.77 (dd, J = 17.5, 3.2 Hz, 1H)
		3.14 (m, 1H)
4	197.1		H-3a, H-3b
5	162.5		H-6
6	96.4	6.13 (d, J = 2.5 Hz, 1H)	H-8
7	165.2		H-6, H-8
8	95.6	6.14 (d, J = 2.5 Hz, 1H)
9	163.1		H-8
10	103.4		H-6
1′	131.9		H-2, H-6′
2′	114.2	6.94 (m, 1H)
3′	146.5		H-5′, OCH3
4′	148.0
5′	112.1	6.94 (m, 1H)
6′	118.0	6.89 (dd, J = 8.0, 2.0 Hz, 1H)	H-2, H-2′
–OCH3	55.7	3.79 (s, 3H)
5-OH		12.08
Glc-1′′	99.5	4.97 (d, J = 7.5 Hz, 1H)
2′′	73.0	3.21 (m, 1H)
3′′	76.3	3.26 (m, 1H)
4′′	69.6	3.15 (m, 1H)
5′′	75.5	3.54 (m, 1H)
6′′	66.1	3.37 (m, 1H)	H-1′′′
		3.80 (m, 1H)
Rha-1′′′	100.6	4.51 (d, J = 1.0 Hz, 1H)
2′′′	70.7	3.62 (m, 1H)	H-1′′′
3′′′	70.3	3.42 (m, 1H)
4′′′	72.1	3.17 (m, 1H)
5′′′	68.4	3.42 (m, 1H)
6′′′	17.9	1.08 (d, J = 6.0 Hz, 3H)	H-1′′′