Table 2.

Results of anti-inflammatory activity of compounds 4, 9, 12, 13, 18, and celecoxib against carrageenan induced rat paw oedema in rats at three graded doses.

Compound no.	Dose (mg/kg)	Percentage inhibition of paw oedema from control group	ED50 (mg/kg)
4	45	65.0	45.3
	65	77.8
	80	86.2
9	45	69.8	37.0
	65	80.9
	80	90.5
12	45	65.3	39.2
	65	79.7
	80	87.4
13	45	67.9	37.5
	65	80.4
	80	91.1
18	45	70.1	35.4
	65	82.9
	80	91.9
Celecoxib	45	69.8	34.1
	65	85.6
	80	93.5