Table 1.

¹³C NMR spectroscopic data (150 MHz, pyridine-d₅) for hesperusides A–C (1–3) ¹ (δ in ppm).

Position	1	2	3
1	34.6, CH2	34.4, CH2	33.8, CH2
2	30.5, CH2	30.5, CH2	29.6, CH2
3	66.7, CH	66.7, CH	65.7, CH
4	34.3, CH2	34.3, CH2	33.7, CH2
5	38.5, CH	38.4, CH	37.5, CH
6	74.5, CH	74.6, CH	78.0, CH
7	78.5, CH	78.8, CH	76.9, CH
8	127.4, qC	127.2, qC	126.3, qC
9	46.0, CH	45.7, CH	44.9, CH
10	39.2, qC	39.2, qC	38.6, qC
11	19.5, CH2	19.7, CH2	18.6, CH2
12	36.7, CH2	37.3, CH2	36.7, CH2
13	45.0, qC	45.0, qC	44.5, qC
14	146.0, qC	147.1, qC	146.5, qC
15	34.5, CH2	34.7, CH2	34.5, CH2
16	78.9, CH	79.6, CH	77.8, CH
17	62.1, CH	62.2, CH	61.2, CH
18	20.7, CH3	20.3, CH3	19.3, CH3
19	16.2, CH3	16.2, CH3	15.4, CH3
20	36.2, CH	33.6, CH	33.2, CH
21	24.7, CH3	21.2, CH3	21.9, CH3
22	138.0, CH	35.4, CH2	25.0, CH2
23	128.6, CH	25.9, CH2	33.7, CH2
24	42.9, CH2	40.3, CH2	157.1, qC
25	29.5, CH	28.9, CH	35.8, CH
26	23.2, CH3	23.2, CH3	23.9, CH3
27	23.2, CH3	23.2, CH3	23.9, CH3
28			107.5, CH2
MeGalf
1′	108.5, CH	108.5, CH	108.3, CH
2′	83.4, CH	83.5, CH	82.5, CH
3′	78.7, CH	78.6, CH	78.7, CH
4′	85.5, CH	85.3, CH	84.7, CH
5′	71.0, CH	71.0, CH	71.0, CH
6′	76.1, CH2	76.1, CH2	74.6, CH2
6′OCH3	59.4, CH3	59.5, CH3	58.8, CH3
MeGalp
1′′	103.4, CH	103.2, CH	102.9, CH
2′′	75.5, CH	75.4, CH	75.5, CH
3′′	88.7, CH	88.6, CH	87.7, CH
4′′	71.8, CH	71.9, CH	71.8, CH
5′′	78.5, CH	78.5, CH	78.5, CH
6′′	63.8, CH2	63.8, CH2	62.6, CH2
3′′-OCH3	61.5, CH3	61.4, CH3	60.4, CH3

¹ Assignments aided by ¹H–¹H COSY, TOCSY, HMBC, and NOESY experiments.