TABLE 1.

¹H and ¹³C NMR spectroscopic data for aglycone of trilliumosides K and L (1 and 2) ^a .

Position	1		2
	δ H (Int, mult, J in Hz)	δ C	δ H (Int, mult, J in Hz)	δ C
1a b	1.09 (1H, m)	38.67	1.06 (1H, m)	38.68
	1.82 (1H, m)		1.87 (1H, m)
2a b	1.91 (1H, m)	30.55	1.90 (1H, m)	31.48
	1.62 (1H, m)		1.65 (1H, m)
3	3.53 (1H, m)	79.45	3.39 (1H, m)	79.93
4a b	2.29 (1H, brd, 12.2 Hz)	39.58	2.43 (1H, m)	39.60
	2.44 (1H, 12.2, 2.4 Hz)		2.27 (1H, m)
5	—	141.95	—	142.00
6	5.38 (1H, brd)	122.75	5.38 (1H, brd)	122.75
7a b	1.98 (1H, m)	32.33	2.00 (1H, m)	33.29
	1.35 (1H, m)		1.53 (1H, m)
8	1.54 (1H, m)	33.18	1.63 (1H, m)	32.88
9	0.94 (1H, m)	51.52	0.91 (1H, m)	51.87
10	—	38.01	—	38.15
11a b	1.55 (1H, m)	21.18	1.55 (1H, m)	22.07
	1.51 (1H, m)		1.54 (1H, m)
12a b	1.91 (1H, m)	30.55	1.57 (1H, m)	30.86
	1.23 (1H, m)		1.91 (1H, m)
13	—	46.12	—	46.61
14	1.68 (1H, m)	53.92	1.12 (1H, m)	57.87
15a b	1.55 (1H, m)	33.01	1.57 (1H, m)	29.07
	1.98 (1H, m)		1.98 (1H, m)
16	4.11 (1H, dd, 6.1, 3.2)	90.89	4.36 (1H, dd, 6.1, 3.2)	82.53
17	—	91.62	1.72 (1H, m)	65.14
18	0.86 (3H, s)	17.50	0.82 (3H, s)	20.01
19	1.36 (3H, s)	20.10	1.04 (3H, s)	17.44
20	2.38 (1H, m)	50.00	2.15 (1H, m)	41.93
21	0.92 (3H, s)	9.87	0.83 (3H, s)	16.97
22	—	112.46	—	114.10
23a b	1.69 (1H m)	36.88	1.73 (1H, m)	40.94
	1.67 (1H m)		1.83 (1H, m)
24a b	1.18 (1H, m)	28.55	1.14 (1H, m)	28.75
	1.68 (1H, m)		1.60 (1H, m)
25	1.73(1H, m)	35.07	1.73 (1H, m)	35.08
26a b	3.41 (1H, m)	58.43	3.38 (1H, m)	76.12
	3.72 (1H, m)		3.70 (1H, m)
27a b	3.37 (1H, m)	76.11	1.73 (3H, m)	26.11
	3.70 (1H, m)

^a Recorded in CD₃OD, at 500 MHz (¹H) and 100 MHz (¹³C) with TMS, as internal standard, chemical shifts, multiplicity and coupling constants (J, Hz) were assigned by means of ¹H and ¹³C NMR, spectral data.