Table 3.

In vitro antioxidant activity of the synthesized compounds

Comp.	Antioxidant activity (IC50 = µg/ml)
1	22.70
2	17.37
3	18.02
4	17.46
5	27.11
6	09.18
7	22.45
8	26.65
9	23.44
10	17.96
11	20.51
12	23.78
13	26.44
14	32.43
15	28.47
16	21.81
17	30.87
18	29.75
19	15.93
20	12.67
Ascorbic Acid	40

Italic signifies best IC₅₀ value (antioxidant activity)