Table 1. ¹H (600 MHz) and ¹³C (150 MHz) NMR spectroscopic data (in CD₃OD) of compound 1.

Moiety	Position	1
		δ C	δ H(J in Hz)	HMBC (H to C)	COSY (H to H)
Aglycone moiety	1	137.3
	2	111.6	6.97 s	1, 4, 6, 7	6
	3	150.6
	4	147.1
	5	117.6	6.98 d (8.4)	1, 3, 4	6
	6	119.2	6.46 dd (8.4, 1.8)	2, 4, 7	2, 5
	7	87.0	4.70 d (5.4)	1, 2, 6, 8, 9′	8
	8	55.4	3.01 m	1, 8′	7, 9, 8′
	9	72.8	4.27 dd (9.0, 7.2)	7, 8	8, 9
			3.83 m	8, 7′	8, 9
	3-OMe	56.7	3.86 s	3
	1′	133.7
	2′	111.0	7.00 d (1.8)	4′, 6′, 7′	6′
	3′	149.1
	4′	147.3
	5′	116.0	6.80 d (7.8)	1′, 3′	6′
	6′	120.2	6.85 dd (7.8, 1.8)	7, 2′, 4′, 7′	2′, 5′
	7′	87.6	4.69 d (5.4)	1′, 2′, 6′	8′
	8′	55.3	3.11 m	7, 8, 1′	8, 7′, 9′
	9′	72.5	4.15 dd (9.0, 6.6)	7′	8′, 9′
			3.87 m	7, 8′	8′, 9′
	3′ -OMe	56.4	3.90 s	3′
Sugar moiety	1″	102.4	4.88 d (7.2)	4	2″
	2″	74.8	3.54 m	1″, 3″	1″, 3″
	3″	77.8	3.53 m	2″, 4″	2″, 4″
	4″	72.2	3.43 t (8.4)	3″, 5″	3″, 5″
	5″	75.6	3.79 m	4″, 6″	4″, 6″
	6″	65.0	4.65 dd (11.7, 1.8)	7″′	5″, 6″
			4.49 dd (11.7, 7.8)	5″, 7″′	5″, 6″
Vanilloyl moiety	1″′	122.5
	2″′	113.8	7.56 d (1.8)	1″′, 3″′, 4″′, 6″′, 7″′	6″′
	3″′	148.8
	4″′	153.1
	5″′	116.0	6.90 d (8.4)	1″′, 3″′, 4″′	6″′
	6″′	125.3	7.61 dd (8.4,1.8)	2″′, 4″′, 7″′	2″′, 5″′
	7″′	167.7
	3″′-OMe	56.5	3.86 s	3″′