Table 3 The Inhibition Rate (IR) of target compounds against Sf9 cells at 100 μM.

1

Propionyl

 < 30

21

4-Chlorobenzoyl

 < 30

2

Butyryl

 < 30

22

4-Bromobenzoyl

 < 30

3

2-Butenoyl

 < 30

23

4-Fluorobenzoyl

 < 30

4

Valeryl

42.40 ± 4.25

24

3-Bromobenzoyl

38.33 ± 3.16

5

Heptanoyl

 < 30

25

2-Bromobenzoyl

 < 30

6

Isobutyryl

 < 30

26

2-Fluorobenzoyl

 < 30

7

3,3-Dimethylbutyryl

 < 30

27

4-Chlorophenylacetyl

 < 30

8

Cyclohexylformyl

 < 30

28

2,5-Dichlorobenzoyl

31.43 ± 2.13

9

Cyclopropylformyl

 < 30

29

3,5-Difluorobenzoyl

 < 30

10

Palmitoyl

94.88 ± 1.79

30

2,4-Dichlorobenzoyl

52.79 ± 1.42

11

Propyl formyl

 < 30

31

2,3-Dichlorobenzoyl

30.44 ± 4.60

12

Butyl formyl

 < 30

32

2,4-Difluorobenzoyl

 < 30

13

n-Pentyl formyl

 < 30

33

thienoyl

 < 30

14

Isopropyl Formyl

 < 30

34

2-Chlorothiophene formyl

 < 30

15

Isobutyl formyl

 < 30

35

tetrahydropyranoyl

 < 30

16

Benzoyl

 < 30

36

Nicotinyl

 < 30

17

Phenylacetyl

 < 30

37

8-OAc, 14-thienoyl

 < 30

18

Cinnamoyl

 < 30

38

8-OAc, 14-cinnamoyl

 < 30

19

3-Phenylpropionyl

30.46 ± 4.35

Azadirachtin A

–

98.02 ± 1.93

20

4-Methylbenzoyl

 < 30