Table 2. ¹³C NMR spectroscopic data for compounds 1–8^a.

No.	1	2	3	4	5	6	7	8
1	136.6 qC	109.2 qC	87.8 qC	214.5 qC	198.7 qC	199.3 qC	198.6 qC	32.6 CH2
2	36.2 CH	55.0 CH	46.3 CH	48.6 CH	130.4 qC	129.2 qC	128.4 qC	25.0 CH2
3	73.7 CH	76.3 CH	75.8 CH	77.1 CH	160.9 CH	158.3 CH	161.9 CH	75.9 CH
4	37.1 qC	39.4 qC	45.2 qC	39.4 qC	36.6 qC	36.8 qC	36.8 qC	36.9 qC
5	40.4 CH	41.7 CH	42.5 CH	42.4 CH	45.2 CH	43.0 CH	45.2 CH	41.8 CH
6	32.7 CH2	33.6 CH2	71.6 CH	33.3 CH2	34.8 CH2	34.7 CH2	34.6 CH2	23.2 CH2
7	174.5 qC	174.0 qC	170.0 qC	174.1 qC	173.5 qC	173.6 qC	173.4 qC	75.3 CH
8	75.5 qC	89.6 qC	73.3 qC	62.7 qC	201.0 qC	197.8 qC	80.1 qC	42.2 qC
9	98.2 qC	99.8 qC	31.0 CH	54.4 CH	79.8 qC	172.8 qC	208.2/208.0 qC	43.0 CH
10	119.7 qC	36.5 CH	47.2 qC	48.2 qC	43.2 CH	45.6 CH	42.8 CH	37.4 qC
11	28.2 CH2	33.0 CH2	28.8 CH2	18.5 CH2	29.5 CH2	29.4 CH2	32.9 CH2	16.2 CH2
12	25.5 CH2	27.1 CH2	71.0 CH	33.1 CH2	28.6 CH2	29.8 CH2	25.6 CH2	33.8 CH2
13	38.3 qC	36.1 qC	39.3 qC	40.3 qC	41.5 qC	41.4 qC	38.6/38.5 qC	46.6 qC
14	163.7 qC	35.6 CH	46.4 CH	71.8 qC	156.6 qC	158.9 qC	162.5 qC	159.6 qC
15	117.7 CH	29.0 CH2	28.0 CH2	40.8 CH2	121.2 CH	124.4 CH	117.7 CH	118.0 CH
16	165.5 qC	171.2 qC	169.7 qC	169.5 qC	163.4 qC	163.4 qC	164.5/164.3 qC	34.8 CH2
17	81.1 CH	79.4 CH	76.8 CH	78.4 CH	81.4 CH	78.5 CH	78.2/77.9 CH	58.1 CH
18	18.8 CH3	24.4 CH3	18.8 CH3	20.1 CH3	18.6 CH3	20.4 CH3	18.4/18.3 CH3	19.3 CH3
19	12.8 CH3	10.8 CH3	22.6 CH3	16.4 CH3	12.2 CH3	11.7 CH3	11.6 CH3	15.4 CH3
20	119.7 qC	120.9 qC	120.7 qC	120.1 qC	119.2 qC	119.6 qC	132.9 qC	37.5 CH
21	141.2 CH	140.8 CH	140.4 CH	141.2 CH	141.4 CH	141.6 CH	169.1/168.8 qC	72.6 CH2
22	109.8 CH	109.9 CH	109.1 CH	110.4 CH	109.7 CH	109.8 CH	150.4/149.7 CH	34.1 CH2
23	142.9 CH	143.3 CH	143.9 CH	142.9 CH	143.3 CH	143.4 CH	97.4/96.7 CH	176.8 qC
28	24.8 CH3	24.4 CH3	15.6 CH3	23.0 CH3	20.6 CH3	20.1 CH3	27.8 CH3	21.9 CH3
29	20.1 CH3	20.9 CH3	41.0 CH2	20.7 CH3	28.0 CH3	28.2 CH3	20.6 CH3	28.0 CH3
30	68.9 CH	71.3 CH	69.7 CH	62.8 CH	66.8 CH	41.3 CH2	67.8 CH	27.5 CH3
7-OMe	52.0 CH3	51.9 CH3	53.0 CH3	52.4 CH3	52.0 CH3	52.0 CH3	52.0 CH3
9-OMe						51.8 CH3
7-OAc								21.3 CH3
								170.4 qC
1-OAc			21.0 CH3
			168.4 qC
3-OAc		21.2 CH3	21.1 CH3
		169.8 qC	169.4 qC
6-OAc			21.0 CH3
			169.6 qC
12-OAc			22.1 CH3
			169.7 qC
30-OAc	20.7 CH3	20.9 CH3	21.4 CH3				21.0 CH3
	170.5 qC	170.2 qC	170.7 qC				169.9/169.8 qC
1′	167.3 qC			167.0 qC	165.7 qC
2′	128.7 qC			127.4 qC	127.8 qC
3′	137.2 CH			140.4 CH	138.9 CH
4′	14.5 CH3			14.8 CH3	14.6 CH3
5′	12.1 CH3			12.3 CH3	12.0 CH3

^aSpectra measured at 100 MHz in CDCl_3.