Table 1.

¹H-NMR and ¹³C-NMR data of compounds 1 and 2 (600 MHz, DMSO-d₆)

Position	1		2
	δH	δC	δH	δC
2	-	164.8	-	164.5
3	6.83 (s)	103.5	-	132.3
4	-	182.4	-	182.4
5	-	161.6	-	153
6	6.43	100	6.90 (s)	92
7	-	163.3	-	159
8	6.75	95.2	6.82 (s)	103.1
9	-	157.3	-	152.5
10	-	105.8	-	105.5
1’	5.04 (d, J=7.8)	121.4	-	121.5
2’,6’	7.93 (d, J=8.8)	129	7.94 (d, J=8)	128.9
3’,5’	6.94 (d, J=8.8)	116.5	6.91 (d, J=8)	116.4
4’	-	161.7	-	161.7
Glc: 1"	5.04 (d, J=7.8)	100.3		60.4
2"	3.28	73.5		56.8
3"	3.26 (m)	76.7		-
4"	3.14 (m)	70
5"	3.58 (m)	76
6"	3.84(d),3.41 (m)	66.5
Rha: 1’"	4.54 (s)	100.9
2’"	3.64 (bs)	70.7
3’"	3.41 (m)	71.2
4’"	3.13 (m)	72.5
5’"	3.44 (m)	68.7
6’"	1.06 (d, J=6)	18.2
3-OMe	-	-	3.72	60.4
7-OMe	-	-	3.91	56.8
5-OH	-	-	12.9	-
4’-OH	-	-	10.36	-