Table 2.

Effect of 2-mercaptobenzimidazole 1 and derivatives 2–5 on acetic acid-induced cramps in mice.

Products	Doses (mg/kg)	Number of cramps in 10 min	Percentage of inhibition (%)
1	200	26.20 ± 3.96∗	33.67 ± 10.03∗
2	200	25.00 ± 3.53∗	36.70 ± 08.95∗
3	200	19.60 ± 3.78∗	50.37 ± 09.57∗
4	200	17.60 ± 4.82∗	55.44 ± 12.22∗
5	200	19.75 ± 4.24∗	50.00 ± 10.81∗
Acetylsalicylic acid	100	09.60 ± 1.50∗∗	75.69 ± 03.79∗∗
Control	—	39.50 ± 2.60	—

^∗ p < 0.05; ^∗∗p < 0.0001 compared to control.