Table 2. ¹³C NMR Data of Isolated Compounds in Pyridine.

	3	9	7	8
position	cucurbitacin E	cucurbitacin E 2-O-β-d-glucopyranoside	neocucurbitan A	neocucurbitan B
1	115.8, CH	121.3, CH	134.3, CH	134.4, CH
2	147.3, C	145.3, C
3	199.0, C	198.9, C	172.6, C	172.6, C
4	48.6, C	48.9, C	42.6, C	42.6, C
5	137.7, C	135.6, C	132.7, C	132.7, C
6	120.5, CH	121.3, CH	123.8, CH	123.8, CH
7	23.9, CH2	23.7, CH2	25.0, CH2	25.0, CH2
8	42.1, CH	41.3, CH	42.4, CH	42.3, CH
9	49.3, C	48.9, C	47.9, C	47.8, C
10	35.1, CH	35.4, CH	117.7, C	117.6, C
11	213.8, C	214.6, C	211.9, C	211.8, C
12	49.3, CH2	49.0, CH2	50.4, CH2	50.5, CH2
13	48.6, C	50.6, C	48.9, C	51.0, C
14	51.0, C	48.0, C	51.0, C	48.9, C
15	46.5, CH2	45.5, CH2	45.7, CH2	45.8, CH2
16	70.7, CH	71.2, CH	70.4, CH	70.2, CH
17	60.0, CH	58.2, CH	59.8, CH	59.3, CH
18	20.6, CH3	20.2, CH3	20.4, CH3	20.4, CH3
19	20.1, CH3	20.0, CH3	25.1, CH3	25.2, CH3
20	79.8, C	78.2, C	79.6, C	79.2, C
21	25.6, CH3	24.0, CH3	25.4, CH3	25.4, CH3
22	204.4, C	202.6, C	204.2, C	204.2,C
23	122.5, CH	120.4, CH	122.4, CH	120.8, CH
24	150.2, CH	152.0, CH	150.3, CH	155.7, CH
25	79.7, C	79.4, C	79.8, C	70.2, C
26	26.2, CH3	25.9, CH3	26.2, CH3	29.7, CH3
27	26.5, CH3	26.5, CH3	26.6, CH3	30.0, CH3
28	18.4, CH3	19.9, CH3	18.1, CH3	18.0, CH3
29	28.0, CH3	27.9, CH3	28.5, CH3	22.4, CH3
30	20.8, CH3	18.2, CH3	22.3, CH3	28.5, CH3
31	169.8, C	170.4, C	169.8, C
32	21.7, CH3	22.0, CH3	21.7, CH3
1′-Oglc		100.5, CH
2′		72.3, CH
3′		75.8, CH
4′		69.3, CH
5′		76.7, CH
6′		61.5, CH2