Table 2.

The percent free radical scavenging activity of 3a-o.

Compound	% FRSA	Compound	% FRSA
3a	79.41	3i	81.80
3b	84.05	3j	89.75
3c	85.16	3k	86.60
3d	84.58	3l	61.55
3e	83.20	3m	75.95
3f	82.98	3n	7.91
3g	85.89	3o	83.02
3h	83.54	Ascorbic acid	89.88

DPPH free radical scavenging activity expressed as percent free radical scavenging activity (% FRSA).

Synthesized compounds’ codes were written in bold text.