Table 2.

¹³C NMR Spectral Data for 1 – 4 (100 MHz, CDCl₃)

Carbon	1	2	3	4
1	174.2	180.1	174.2	174.4
2	42.9	43.0	42.7	43.1
3	81.3	81.1	81.3	81.6
4	23.5	22.9	22.9	22.7
5	32.0	32.4	33.0	32.5
6	80.3	80.6	80.5	80.3
7	39.5	39.0	39.2	39.8
8	21.7	21.7	21.8	24.8
9	37.3	37.3	37.5	39.8
10	36.4	36.4	36.6	135.6
11	33.0	32.4	33.2	124.5
12	24.1	23.5	27.6	23.5
13	55.1	54.5	136.9	61.0
14	149.3	149.3	127.3	131.5
15	32.5	32.5	31.8	124.1
16	23.7	23.6	19.9	21.6
17	36.6	36.6	40.1	30.1
18	35.5	35.5	34.9	33.9
19	13.5	13.5	12.9	13.7
20	20.8	20.8	21.0	20.3
21	18.5	18.2	18.5	15.9
22	109.3	109.3	19.7	20.3
23	28.6	28.8	28.7	25.6
24	28.6	28.8	28.8	29.9
OCH3	51.7	–	51.8	51.9