Table 2.

¹³C NMR Data for Compounds 1−6 (CDCl₃, 150 MHz)^a

no.	1	2	3	4	5	6
1	150.9, C	36.6, CH	36.5, CH2	206.1, C	194.1, C	204.9, C
2	131.1, C	50.1, CH	142.4, C	136.3, C	139.4, C	136.6, C
3	124.1, CH	82.0, C	36.9, CH	169.3, C	166.3, C	166.7, C
4	120.3, CH	39.0, CH2	31.0, CH2	81.0, C	78.7, C	81.5, C
5	131.0, CH	25.1, CH2	33.3, CH2	59.7, CH	148.8, C	58.9, CH
6	111.1, CH	40.7, CH	71.5, CH	59.4, CH2	114.7, CH2	24.3, CH2
7	84.1, C	143.1, C	136.7, C	36.2, CH2	37.0, CH2	30.9, CH2
8	33.9, CH2	119.9, CH	122.8, CH	25.1, CH2	24.1, CH2	23.0, CH2
9	49.8, CH2	89.0, C	129.3, C	32.0, CH2	31.9, CH2	13.9, CH3
10	78.4, CH	153.5, CH	53.0, CH2	22.4, CH2	22.4, CH2	30.1, CH2
11	46.3, CH	128.0, C	29.2, C	14.0, CH3	13.9, CH3	31.0, CH2
12	101.7, C	174.0, C	29.6, CH3	7.7, CH3	8.2, CH3	173.1, C
13	142.6, CH	10.4, CH3	29.6, CH3	11.3, CH3	10.7, CH3	8.0, CH3
14	21.7, CH3	20.2, CH3	17.2, CH3			11.3, CH3
15	167.4, C	23.8, CH3	22.7, CH3
1′		146.4, C
2′		116.8, C
3′		115.4, CH
4′		147.4, C
5′		124.5, C
6′		119.7, CH
7′		15.6, CH3
OEt	14.5, CH3					14.2, CH3
	59.2, CH2					60.9, CH2

^aThe assignments were based on HMQC, HMBC, and COSY spectra.