Table 1 Components of BSYSC identified by UPLC-QTOF-MS

1

5.42

[M-H]⁺

C₁₆H₂₄O₁₀

loganic acid

375.1132

Radix Rehmanniae

2

7.96

[M-H]⁺

C₂₀H₃₀O₁₂

Decaffeoylverbascoside

461.1571

Radix Rehmanniae

3

16.14

[M-H]⁺

C₂₉H₃₆O₁₅

Acteoside

623.2045

Radix Rehmanniae

4

17.37

[M-H]⁺

C₂₉H₃₆O₁₅

Isoacteoside

623.2043

Radix Rehmanniae

5

17.64

[M-H]⁺

C₂₉H₃₆O₁₅

Forsythiaside

623.2072

Radix Rehmanniae

6

27.14

[M-H]⁺

C₂₁H₂₀O₁₀

Kaempferol-3-O-α-L-rhamnoside

431.0854

Radix Polygoni Multiflori

7

18.16

[M-H]⁺

C₂₈H₃₂O₁₆

Isorhamnetin-3-O-rutinoside

623.2025

Fructus Forsythiae Suspensae

8

33.14

[M-H]⁺

C₁₇H₁₄O₇

Quercetin-3,3’-dimethyl ether

329.2130

Fructus Forsythiae Suspensae