TABLE 1.

Phytochemicals of WEMA by UHPLC-MS/MS.

No	Rt (Min)	Calculated (m/z)	Estimated (m/z)	Adducts	Error (ppm)	Elemental composition	MS/MS fragments (m/z)	Identifications
1	4.22	197.046	197.045	[M-H]-	−4.43	C9H10O5	197, 179, 135	Danshensua
2	4.69	353.088	353.088	[M-H]-	−0.46	C16H18O9	191, 179, 135	Neochlorogenic acida
3	5.21	353.088	353.088	[M-H]-	−0.46	C16H18O9	191, 179, 173	Chlorogenic acida
4	6.51	609.146	609.147	[M-H]-	0.61	C27H30O16	301, 300	Rutina
5	6.78	463.088	463.088	[M-H]-	0.25	C21H20O12	463, 300, 301	Isoquercitrina
6	7.07	193.051	193.050	[M-H]-	−3.80	C10H10O4	178, 149, 134	Ferulic acida
7	7.58	717.146	717.147	[M-H]-	1.63	C36H30O16	339, 321, 295	Salvianolic acid E
8	7.9	609.183	609.183	[M-H]-	0.11	C28H34O15	301	Hesperidina
9	7.99	359.077	359.077	[M-H]-	−0.51	C18H16O8	197, 179, 161	Rosmarinic acida
10	8.22	717.146	717.146	[M-H]-	1.71	C36H30O16	339, 331	Salvianolic acid B
11	9.51	637.177	637.178	[M + HCO2]-	0.22	C28H32O14	283	Linarina

^aCompared with the retention time (Rt) and mass spectral data of reference standards.