Table 1.

Chemical formulae of the 11 bioactive components identified from Huachansu capsules (HCSCs).

No	Compound	Chemical formula	[M+H]+ Measured mass	[M+H]+ True mass	Accuracy (ppm)	RT (min)
1	Cinobufagin	C26H34O6	443.2428	443.2413	3.38	8.44
2	Bufotoxin	C40H60N4O10	757.4382	757.4353	3.83	6.95
3	Bufalin	C24H34O4	387.2517	387.2530	−3.36	7.86
4	Bufotalin	C26H36O6	445.2585	445.2570	3.37	7.03
5	Resibufogenin	C24H32O4	385.236	385.2373	−3.37	8.56
6	Bufadienolide	C24H34O2	355.2637	355.2631	1.69	7.31
7	Dehydrobufotenine	C12H14N2O	203.1175	203.1178	−1.48	3.71
8	Telocinobufagin	C24H34O5	403.2464	403.2479	−3.72	6.83
9	Cinobufotalin	C26H34O7	459.2362	459.2377	−3.27	7.19
10	Desacetylcinobufotalin	C24H32O6	417.2254	417.2272	−4.31	5.94
11	desacetylcinobufagin	C24H32O5	401.231	401.2323	−3.24	6.87

RT, retention time.