Compound Zone of inhibition/mm
Escherichia coli, Pseudomonas aeuroinosa Aspergillusniger, Fusarium moniliforme
100 μg disc-1 100 μg disc-1 100 μg disc-1 100 μg disc-1
3a 7 10 9 11
3b 9 9 11 12
3c 10 6 13 13
3d 8 9 12 12
3e 9 8 15 16
3f 8 7 10 15
3g 6 9 8 12
3h 9 8 10 10
3i 7 9 11 12
3j 10 12 14 10
3k 11 13 12 10
Ampicillin 20 21 - -
Nystatin - - 25 23
Table 1: Percentage of inhibition for compounds 3a-3k at concentration of 100 μg disc-1.