Table 1.

¹H-NMR and ¹³C-NMR data for the pentacyclic triterpenes in Euphorbia microsciadia^a

C	1	2	3
	13 C- NMR	13 C- NMR	13 C- NMR
1	38.6 t	39.1 t	38.78 t
2	27.0 t	27.9 t	23.4 t
3	78.7 d	79.7 d	79.0 d
4	38.7 s	40.0 s	39.5 s
5	55.3 d	55.9 d	55.2 d
6a	18.2 t	19.1 t	18.2 t
7a	34.2 t	33.4 t	33.0 t
8	40.5 s	40.2 s	39.0 s
9	50.4 d	48.32 d	47.6 d
10	37.0 s	37.8 s	36.6 s
11	20.8 t	24.0 t	23.7 t
12	25.4 t	123.3 d	125.7 d
13	38.2 d	143.3 s	137.9 s
14	42.3 s	42.4 s	41.9 s
15	30.5 t	28.4 t	29.3 t
16	32.1 t	24.1 t	23.3 t
17	56.1 s	46.6 s	47.9 s
18	49.1 d	41.9 d	52.7 d
19	46.9 d	46.6 t	30.6 d
20	150.6 s	30.4 s	30.3 d
21	37.0 t	34.5 t	27.2 t
22	29.6 t	31.3 t	37.0 t
23	27.5 q	28.8 q	23.4 q
24	15.2 q	16.2 q	16.9 q
25	15.8 q	16.0 q	16.9 q
26	16.0 q	17.7 q	15.4 q
27	14.5 q	26.6 q	24.2 q
28	189.1 s	172.0 s	175.9 q
29	106.4 t	33.7 q	21.0 q
30	19.2 q	24.2 q	23.3 q

Chemical shifts are given in ppm