Table 3.

¹³C-NMR (100 MHz) data of 3–7 (δ in ppm).

No.	3 a	4 a	5 a	6 a	7 b
1	164.1, C	78.2, C	88.1, C	89.6, C	76.1, C
2	119.3, CH	131.8, CH	128.7, CH	129.8, CH	134.6, CH
3	136.6, CH	134.9, CH	139.8, CH	139.9, CH	132.4, CH
4	121.7, C	73.6, C	73.5, C	74.0, C	75.2, CH
5	187.7, C	34.3, CH2	38.1, CH2	36.9, CH2	34.3, CH2
6	100.4, CH	34.3, CH2	36.1, CH2	34.5, CH2	25.7, CH2
7	209.6, C	212.0, C	217.8, C	215.1, C	66.1, CH
8	91.3, C	88.1, C	79.8, C	90.0, C	83.6, C
9	40.5, CH2	37.4, CH2	42.1, CH2	36.7, CH2	34.8, CH2
10	25.8, CH2	24.8, CH2	25.9, CH2	27.5, CH2	27.4, CH2
11	152.1, CH	133.8, CH	150.9, CH	80.8, CH	141.0, CH
12	130.1, C	137.5, C	125.2, C	44.1, CH	134.1, C
13	36.5, CH2	26.5, CH2	25.1, CH2	17.9, CH2	31.0, CH2
14	31.6, CH2	33.0, CH2	29.1, CH2	28.2, CH2	39.7, CH2
15	38.6, CH	38.8, CH	38.3, CH	38.0, CH	36.3, CH
16	21.8, CH3	18.1, CH3	17.5, CH3	17.6, CH3	17.2, CH3
17	21.4, CH3	17.0, CH3	16.9, CH3	17.0, CH3	16.0, CH3
18	12.2, CH3	31.4, CH3	26.9, CH3	24.4, CH3	33.5, CH3
19	20.9, CH3	28.0, CH3	28.3, CH3	24.0, CH3	21.6, CH3
20	169.2, C	172.1, C	168.9, C	175.3, C	168.4, C
21	51.5, CH3

^a in methanol-d₄; ^b in CDCl₃.