| Compounds | Zone inhibition diameters (mm) ± SD | ||
| E coli ATTC 25922 | P. aeruginosa ATCC 27853 | S. aureus ATCC 25923 | |
| 5c | 15 ± 0.04 | 6 ± 0.00 | 15 ± 0.00 |
| 5g | 18 ± 0.01 | 6 ± 0.00 | 18 ± 0.02 |
| 7f | 16 ± 0.12 | 6 ± 0.00 | 12 ± 0.08 |
| 7h | 16 ± 0.00 | 6 ± 0.00 | 11 ± 0.10 |
| 7i | 6 ± 0.00 | 12 ± 0.02 | 6 ± 0.00 |
| 7j | 6 ± 0.00 | 15 ± 0.80 | 6 ± 0.00 |
| 7m | 6 ± 0.00 | 13 ± 0.06 | 6 ± 0.00 |
| 7n | 6 ± 0.00 | 16 ± 0.04 | 6 ± 0.00 |
| 7k | 6 ± 0.00 | 13 ± 0.04 | 6 ± 0.00 |
| 7l | 6 ± 0.00 | 13 ± 0.00 | 6 ± 0.00 |
| Ciprofloxacine (5 µg) | 28 ± 0.01 | 31 ± 0.01 | 22 ± 0.04 |