compound A % B %
Control 0/5 0 0/5 0
DMSO 4/5 80 4/5 80
IVa 4/5 80 4/5 80
VIb 5/5 100 3/5 60
IVc 4/5 80 3/5 60
VIc 4/5 80 3/5 60
IVd 5/5 100 4/5 80
PTZ 5/5 100 5/5 100
A = number of mice having convulsion within 2 min
B = number of mice dying within 10 min
Table 5: Evaluation of anticonvulsant activity of test compounds and clozapine (3 mg/kg, i.p.) using Pentylenetetrazole (PTZ) test in mice.