Table 5.

Analgesic activity of test compounds.

Compound	Dose, mg/kg	Writhing Number	Decrease in the Vinegar Writhing Number (%)
control	-	106.2 ± 11.2	100
sodium diclofenac	8	49.5 ± 10.7	53.3
2a	25	95.4 ± 10.9	10.2
2b	25	55.6 ± 11.3 *	47.6
2d	25	62.2 ± 11.2 *	41.4
2e	25	53.7 ± 11.6 *	49.4
3a	25	96.8 ± 11.2	8.8
3b	25	83.8 ± 10.4	21.1
3c	25	57.2 ± 7.5 *	46.1
3d	25	75.4 ± 10.5	29.0
3e	25	50.2 ± 10.3 *	52.7
2f	25	54.4 ± 12.3	48.8

Note: *—p < 0.05 compared to control.