Table 2.

NMR data of flavonoids A, B and C

	Flavonoid “A”		Flavonoid “B”		Flavonoid “C”
	δH (ppm)	δC (ppm)	δH (ppm)	δC (ppm)	δH (ppm)	δC (ppm)
2	—	147.2	—	157.7	—	157.4
3	—	137.2	—	133.3	—	134.3
4	—	177	—	178.4	—	178.2
5	—	162.7	—	161.5	—	161.7
6	6.13, d, J = 2.1 Hz	99.5	6.21, d, J = 2.1 Hz	98.3	6.21, d, J = 2.1 Hz	100.3
7	—	165.3	—	164.5	—	164.8
8	6.4, d, J = 2.1 Hz	94.8	6.41, d, J = 2.1 Hz	93.2	6.41, d, J = 2.1 Hz	95.1
9	—	158.2	—	156.9	—	157
10	—	104.5	—	104	—	104.3
1‘	—	124.1	—	121.2	—	121
2‘	7.71, d, J = 2.15 Hz	116.2	7.53, d, J = 2.1 Hz	115.2	7.76, d, J = 2.2 Hz	116.2
3‘	—	146.2	—	144.8	—	144.7
4‘	—	148.7	—	148.2	—	148.7
5‘	6.86, d, J = 8.5 Hz	116.6	6.92, d, J = 8.3 Hz	114.8	6.88, d, J = 8.5 Hz	114.9
6‘	7.57, dd, J = 2.15, 8.5 Hz	121.8	7.51, dd, J = 2.1, 8.3 Hz	121.4	7.58, dd, J = 2.2, 8.5 Hz	121.7
1“	—	—	5.48, br s	107.9	5.17, d, J = 6.5 Hz	105
2“	—	—		81.7		73.3
3“	—	—	3.85-3.94	77.1	3.81-3.941	74.5
4“	—	—		86.4		69.5
5“	—	—		60.9		67.4