Table 3.

1D and 2D NMR data of IN1 (Avicularin).

Position	13C	HSQC	HMBC	COSY
	δC	δH (J in Hz)	1H→13C	1H↔1H
1
2	149.9
3	135.6
4	179.4
5	162.9
6	99.8	6.19 (1H, d, 2.1)	C-5, C-7, C-8, C-10	H-6, H-8
7	165.9
8	94.7	6.38 (1H, d, 2.1)	C-6, C-7, C-9, C-10	H-8, H-6
9	158.37
10	105.6
1′	123.0
2′	117.4	7.75 (1H, d, 2.2)	C-2, C-1′, C-3′, C-4′	H-2′, H-6′
3′	145.9
4′	158.6
5′	116.1	6.86 (1H, d, 8.45)	C-2, C-3′, C-6′	H-5′, H-6′
6′	122.8	7.57 (1H, dd, 2.2, 2.2)	C-2, C-2′, C-4′	H-6′, H-5′, H-2′
1″	104.6	5.15 (1H, d, 6.6)	C-3, C-4″	H-1″, H-2″
2″	72.8	3.9 (1H, t, 7.15)	C-1″, C-3″	H-2″, H-1″, H-3″, H-5″
3″	74.1	3.65 (1H, dd, 3.25, 3)		H-3″, H-2″, H-5″
4″	66.9	3.45 (1H, dd, 3.15, 3.2)	C-1″, C-3″	H-4″, H-5″
5″	69.1	3.83 (2H, dd, 3.7, 3.75)	C-1″, C-3″	H-5″, H-2″, H-4″, H-3″

d, duplet; dd, duplet of duplet; t, triplet.