Table 2.

¹H NMR and ¹³C NMR (DMSO-d₆, 500, and 125 MHz) for EGCG compound.

	Compound I
	δ-H	δ-C
2	4.93 (s)	78.06
3	5.32 (s)	68.04
4	2.62 (d, J= 16 Hz)	25.74
	2.91 (dd, J= 16, 5 Hz)
5		156.54
6	5.91 (d, J= 2.5 Hz)	95.47
7		155.62
8	5.81 (d, J= 2.5 Hz)	94.29
9		156.54
10		97.34
1′		132.37
2′	6.38 (s)	105.44
3′		145.44
4′		128.59
5′		145.44
6′	6.38 (s)	105.44
1″		117.95
2″	6.79 (s)	108.62
3″		146.66
4″		139.39
5″		146.66
6″	6.79 (s)	108.62
Carbonyl		165.25