Table 1.

Secondary metabolites 1–43 isolated from A. pilosa roots and aerial parts.

No.a	Name	Exact molecular weight	Molecular Formula	FCIb
1	pilosanidin A	814.2472	C43H42O16	89.3
2	pilosanidin B	814.2472	C43H42O16	89.5
3	pilosanidin C	828.2629	C44H44O16	89.4
4	pilosanidin D	798.2523	C43H42O15	89.4
5	pilosanidin E	798.2523	C43H42O15	89.2
6	pilosanol A	540.1995	C29H32O10	58.4
7	pilosanol B	526.1829	C28H30O10	77.7
8	pilosanol C	526.1829	C28H30O10	83.1
9	isopilosanol A	540.1995	C29H32O10	85.1
10	isopilosanol B	526.1829	C28H30O10	80.3
11	isopilosanol C	526.1829	C28H30O10	83.3
12	epipilosanol A	540.1995	C29H32O10	58.3
13	epipilosanol B	526.1829	C28H30O10	81.8
14	epipilosanol C	526.1829	C28H30O10	71.5
15	epipilosanol N	498.1526	C26H26O10	84.0
16	agrimonolide	314.1154	C18H18O5	87.7
17	agrimonolide-6-O-Glcc	476.1682	C24H28O10	89.2
18	agrimonolide-6-O-Arafd−6-O-Glc	608.2105	C29H36O14	87.5
19	4-hydroxyagrimonolide 6-O-Glc	492.1632	C24H28O11	88.0
20	desmethylagrimonolide 6-O-Glc	462.1526	C23H26O10	86.9
21	desmethylagrimonolide 4′-O-Glc	462.1526	C23H26O10	89.1
22	5,7-dihydroxy-2-propylchromone 7-O-Glc	382.1264	C18H22O9	82.9
23	5,7-dihydroxy-2-(1-methylethyl) chromone 7-O-Glc	382.1264	C18H22O9	79.3
24	5,7-dihydroxy-2-(1-methylpropyl) chromone 7-O-Glc	396.1420	C19H24O9	84.0
25	5,7-dihydroxy-2-(1-methylethyl)chromone-7-O-[6′′-HMGe]-β-D-glucopyranoside	526.1686	C24H30O13	84.6
26	5,7-dihydroxy-2-(1-methylpropyl)chromone-7-O-[6′′-HMG]-β-D-glucopyranoside	540.1843	C25H32O13	86.9
27	corosolic acid	472.3552	C30H48O4	54.5
28	rosamultin	650.4030	C36H58O10	57.8
29	2-oxopomolic acid	486.3345	C30H46O5	63.4
30	(1β,2α,3β)-1,2,3,19-tetrahydroxyurs-12-en-28-oic acid	504.3451	C30H48O6	65.4
31	(1β,2α)-1,2,19-trihydroxy-3-oxo-urs-12-en-28-oic acid	502.3294	C30H46O6	69.8
32	1β-hydroxy-2-oxopomolic acid	502.3294	C30H46O6	69.8
33	fupenzic acid	484.3189	C30H44O5	65.6
34	maslinic acid	472.3552	C30H48O4	50.0
35	arjunetin	650.4030	C36H58O10	49.8
36	kaempferol-3-O-Glc	448.1006	C21H20O11	73.3
37	cis-tiliroside	594.1373	C30H26O13	75.8
38	trans-tiliroside	594.1373	C30H26O13	75.3
39	apigenin-7-O-Glc	432.1056	C21H20O10	67.4
40	luteolin-7-O-Glc	448.1005	C21H20O11	66.0
41	apigenin-7-O-GlcAf	446.0849	C21H18O11	73.7
42	dihydrokaempferol-3-O-Glc	450.1162	C21H22O11	73.0
43	(2S,3S)-glucodistylin	466.1111	C21H22O12	74.5

^aCompounds 1, 2, 6–11 and 16–21 have been reported in a previous study, and 3–5, 12–15 and 22–43 were isolated in the present study.

^bFCI: fresh compound index; ^cGlc: β-D-glucose; ^dAraf: α-L-arabinofuranose; ^eHMG: (S)3-hydroxy-3-methylglutaroyl, ^fGlcA: β-D-glucuronic acid.