¹H NMR, and ¹³C NMR data of compound (1 and 2) in CDCl₃.

Compound 1			Compound 2
Position	δ H	δ C	Position	δ H	δ C
			1	3.43, m	71.2
2	2.92, 2.99, dd	47.1	3	1.48, 1.23, m	30.6
3		197.5	4	1.27,0.99, m	36.3
4		107.8	5	2.16,1.86, dd	38.3
5		160.1	6		138.4
6		110.2	7	5.23, d	116.4
7		141.2	8	5.23, d	116.7
8	6.90, s	99.2	9		139.6
9		153.4	10	1.88, m	52.1
11	6.73, s	104.1	11	1.49, 1.40, m	21.1
12		165.4	12	1.88, m	25.6
13		103.1	13	1.08, m	54.5
14		150.6	14	1.96, m	38.8
16-CH3	1.42, s	27.5	15	5.11, m	131.4
18-OCH3	3.80, s	55.2	16	5.1, m	129.5
20-OCH3	4.00, s	61.63	17	1.88, m	38.5
21-OH	14.21		18	0.85, s	18.2
22-OH	5.60		19	1.49, m	31.23
23		100.5	20	0.98, m	19.5
24	2.92,2.99, dd	47.1	21	0.98	19.1
25		197.5	22	0.84, s	19.3
26		108.3	23		41.7
27		158.8	24	1.03, m	13.5
28		111.3	25	1.15, m	37.3
29		136.5	26	0.89, m	19.3
30		112.6	27	1.79, m	43.6
31		155.8	28		34.7
33	6.43, s	97.2	29	0.93, s	14.6
34		163.7
35	6.21, s	96.2
36		160.6
38-CH3	1.52, s	27.5
40-OCH3	3.99, s	56.2
42-OCH3	3.81, s	55.9
43-OH	14.56
44-OH	7.12