Table 1.

¹³C NMR data of Compound 1 and steroid part of Compounds 2–4 (125 MHz, CDCl₃).

Position	δC
	1	2	3	4
1	37.3	37.1	37.0	37.0
2	28.2	28.2	28.2	28.2
3	71.8	73.6	73.7	73.8
4	42.2	38.2	38.2	38.2
5	140.7	138.6	139.7	139.7
6	121.7	122.5	122.6	122.6
7	31.5	31.9	31.9	31.9
8	31.9	32.8	31.9	31.9
9	50.2	50.2	50.2	50.2
10	35.8	36.1	36.6	36.6
11	21.1	21.1	21.0	21.0
12	39.8	39.7	39.7	39.7
13	42.4	41.3	42.3	42.3
14	56.8	56.7	56.7	56.7
15	24.3	24.3	24.3	24.3
16	29.4	29.4	29.3	29.3
17	56.0	56.0	56.0	56.0
18	11.9	11.9	11.9	11.9
19	19.4	19.3	19.3	19.3
20	35.8	35.8	35.8	35.8
21	18.8	18.8	18.8	18.8
22	34.4	34.4	34.5	34.4
23	31.5	31.4	31.9	31.9
24	152.6	151.3	152.5	152.6
25	50.1	50.0	50.0	50.0
26	26.4	26.5	26.3	26.4
27	26.3	26.3	26.4	26.3
28	108.8	108.9	108.8	108.8
29	12.0	12.0	12.0	12.0
30	12.1	12.1	12.1	12.0