Comp

R₁

R₂

R₃

Inhibition^a (%)

2

methyl

H

3-(furan-2-carboxamido)

20.13 ± 2.52

3

methyl

2-methyl

3-(furan-2-carboxamido)

1.13 ± 0.93

4

methyl

4-methyl

3-(furan-2-carboxamido)

3.72 ± 0.83

5

methyl

6-methyl

3-(furan-2-carboxamido)

−0.32 ± 1.43

6

methyl

H

3-(5-methylfuran-2-carboxamido)

19.21 ± 0.43

7

methyl

H

3-(furan-3-carboxamido)

10.32 ± 1.92

8

methyl

H

3-(thiophen-2-carboxamido)

6.82 ± 0.89

9

methyl

H

3-(benzamido)

2.54 ± 0.32

10

methyl

H

4-(furan-2-carboxamido)

25.63 ± 1.54

11

H

H

3-(furan-2-carboxamido)

41.32 ± 2.91

12

H

2-methyl

3-(furan-2-carboxamido)

13.43 ± 0.74

13

H

4-methyl

3-(furan-2-carboxamido)

9.23 ± 2.10

14

H

6-methyl

3-(furan-2-carboxamido)

6.12 ± 1.11

15

H

H

3-(5-methylfuran-2-carboxamido)

48.51 ± 1.54

16

H

H

3-(furan-3-carboxamido)

43.61 ± 1.51

17

H

H

3-(thiophen-2-carboxamido)

39.12 ± 2.41

18

H

H

3-(benzamido)

9.23 ± 1.65

19

H

H

4-(furan-2-carboxamido)

35.59 ± 0.87

Na₃VO₃^b

90.18 ± 0.91