Table 2.

¹H and ¹³C NMR data assignments of compounds 1 and 2 in CD₃OD at 298 K. See Fig. 4, Fig. 5 for numbering of hydrogen and carbon atoms.

1H and 13C number	1H chemical shift, ppm		13C chemical shift, ppm
	1	2	1	2
1	1.04	4.04	21.67	69.27
2	–	3.71	173.25	71.00
3	–	3.48	–	72.00
4	3.72	3.71	56.41	69.00
5	3.51	1.31	74.56	16.32
6	3.43	5.50	70.33	102.79
7	3.34	8.32	76.37	151.20
8	3.76–3.89	–	61.00	152.42
9	4.71	7.53	102.74	105.83
10	3.79	–	80.40	167.30
11	3.58	4.02	71.17	54.93
12	3.73	7.93	69.50	107.65
13	1.31	–	16.63	157.49
14	5.50	–	102.53	155.12
15	4.29	8.68	69.06	148.60
16	8.34	7.47	151.64	124.11
17	–	7.96	157.42	137.20
18	7.54	8.43	106.15	121.36
19	–	–	167.44	–
20	4.02	–	54.90	–
21	7.93	–	108.02	–
22	–	–	157.49	–
23	–	–	155.12	–
24	8.66	–	148.77	–
25	7.48	–	124.21	–
26	7.96	–	137.27	–
27	8.43	–	121.26	–