Table 2.

¹H and ¹³C NMR Data for Compounds 3 and 4 (400 and 100 MHz, Respectively in CDCl₃).

	3				4
Position	δC, type	δH (J in Hz)	HMBC	LR-HSQMBC	δC, type	δH (J in Hz)	HMBC	LR-HSQMBC
1	179.7, C				179.7, C
2	160.6, C				160.6, C
3	109.5, CH	6.01, s	1, 4, 2, 10	5, 6, 9	109.5, CH	6.01, s	1, 4, 2, 10	5, 6, 9
4	190.1, C				190.1, C
5	161.0, C				160.9, C
6	127.4, C				127.3, C
7	162.9, C				162.8, C
8	103.6, CH	7.23, s	1, 6, 7, 10	4, 12	103.6, CH	7.23, s	1, 6, 7, 9, 10	4, 12
9	130.4, C				130.4, C
10	109.1, C				109.1, C
11	28.1, CH	4.95, q (7.4)	2’, 3’, 4’, 5, 6, 7, 12	2’	28.1, CH	4.95, q (7.4)	2’, 3’, 4’, 5, 6, 7, 12	2’
12	17.3, CH3	1.68, d (7.4)	3’, 6, 11	3’	17.3, CH3	1.68, d (7.4)	3’, 6, 11	3’
2-OCH3	56.5, CH3	3.88, s	2	3	56.5, CH3	3.88, s	2	3
7-OCH3	56.7, CH3	3.94, s	7	8	56.7, CH3	3.94, s	7	8
5-OH		12.82, s	5, 6, 10	4, 7		12.83, s	5, 6, 10	4, 7
1ˈ	181.7, C				181.6, C
2ˈ	153.9, C				154.0, C
3ˈ	124.4, C				124.6, C
4ˈ	190.4, C				189.8, C
5ˈ	161.0, C				164.0, C
6ˈ	128.8, C				107.9, CH	6.63, d (2.5)	5’, 7’, 8’, 10’,	4’, 9’
7ˈ	161.7, C				164.8, C
8ˈ	103.6, CH	7.19, s	1’, 6’, 7’, 10’	4’, 5’	107.8, CH	7.17, d (2.5)	1’, 6’, 7’, 10’	4’, 5’
9ˈ	127.9, C				130.6, C
10ˈ	109.4, C				108.9, C
11ˈ	16.6, CH2	2.69, q (7.4)	5’, 6’, 7’, 12’	9’	-
12ˈ	13.0, CH3	1.07, t (7.4)	6’, 11’	9’	-
7ˈ-OCH3	56.2, CH3	3.93, s	7’	8’	56.1, CH3	3.86, s	7’	6’, 8’
2ˈ-OH		7.63, s	-	3’, 9’, 4’		7.63, s	-	3’, 9’, 4’
5ˈ-OH		12.70, s	5’, 6’, 10’	7’		12.60, s	5’, 10’	7’