Table 1 Chemical profile of S-6 fraction by reverse-phase LC–MS.

From: Chemical characterization of Saudi propolis and its antiparasitic and anticancer properties

Peak no

Retention time (min)

[M–H]–

Chemical formula

Delta (ppm)

Intensity

1

6.7

193.05

C10H9O4

 − 0.011

E 6

2

9.04

273.08

C15H13O5

1.33

E 7

3

9.88

545.15

C30H25O10

1.357

E 7

4

15.57

405.08

C19H17O10

0.247

E 7

5

16.31

333.21

C20H29O4

1.252

E 7

6

19.66

335.22

C20H31O4

1.185

E 7

7

20.13

373.09

C19H17O8

1.472

E 7

8

22.17

419.1

C20H19O10

0.334

E 8

9

33.55

325.14

C20H21O4

1.315

E 7

10

36.64

317.21

C20H29O3

1.551

E 7

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