TABLE 1.

¹H NMR and¹³C NMR data of compound 1 in MeOH (700 MHz).

NO.	H	C
1	—	126.4
2	7.53, d,J = 8.7 Hz	130.6
3	6.76, d,J = 8.7 Hz	115.6
4	—	163.0
5	6.76, d,J = 8.7 Hz	115.6
6	7.53, d,J = 8.7 Hz	130.6
1′	—	114.2
2′	—	163.9
3′	—	113.1
4′	—	160.4
5′	6.54, d,J = 8.9 Hz	102.0
6′	7.94, d,J = 8.9 Hz	130.2
α	7.72, d,J = 15.3 Hz	116.9
β	7.55, d,J = 15.3 Hz	144.6
1″	2.76 m,2.85 m	24.0
2″	4.51 t, J = 7.3 Hz	87.8
3″	—	144.7
4″	4.57 m,4.67 t, J = 1.8 Hz	112.1
4′-OCH3	3.80 s	54.9
3″-CH3	1.71 s	15.7
C=O	—	192.8