Table 1 The structures, experimental pIC₅₀, predicted pIC₅₀, and the residual values of salicylic acid derivatives against α-glucosidase

2.76

2.53

0.23

3.00

3.01

 − 0.01

3.29

3.25

0.04

3.05

3.21

 − 0.15

3.46

3.41

0.05

3.33

3.32

0.01

3.36

3.54

 − 0.19

3.70

3.67

0.03

3.82

3.87

 − 0.04

4.07

4.02

0.05

3.02

3.06

 − 0.04

2.40

2.34

0.05

2.52

2.56

 − 0.04

2.78

2.68

0.10

1.72

1.99

 − 0.27

3.10

3.00

0.10

3.72

3.63

0.10

2.24

2.12

0.12

2.60

2.62

 − 0.02

2.65

2.30

0.35

2.22

1.94

0.28

2.76

2.60

0.15

2.45

2.48

 − 0.03

2.62

2.71

 − 0.09

2.63

2.70

 − 0.07

3.22

3.20

0.01

2.92

3.09

 − 0.18

2.12

2.04

0.08

1.72

1.66

0.06

2.90

3.05

-0.15

3.50

3.32

0.17

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