Table 5

¹³C chemical shift data for OA, 21-OH OA, and compound D

Carbon	OA	21-OH OA	Compound D
1	75.26	74.93	76.83
2
3	164.08	163.80	166.75
4	113.31	113.03	113.48
5	155.39	155.42	158.33
6	128.13	127.32	128.78
7	138.41	139.34	141.19
8	37.83	37.49	39.19
9	45.77	45.08	47.08
10	37.54	37.26	40.14
11	20.18	20.46	21.07
12	30.57	30.31	31.28
13	47.20	47.53	48.42
14	48.44	47.88	49.46
15	23.25	22.89	24.13
16	30.09	30.01	31.26
17	95.99	94.23	95.10
18	14.08	13.47	14.35
19	15.48	14.73	15.78
20	203.10	205.80	205.53
21	26.40	66.63	73.54
G-1^5-a			103.89
G-2			74.90
G-3			77.54
G-4			73.54
G-5			75.92
G-6			176.18
Ac(CH₃)	21.09	19.69	20.97
Ac(CO)	170.24	170.57	172.61