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Antibacterial activity against bacteria of 5a–d, inhibition zone expressed in mm.
| Organism | Compounds | Standard-drug | |||
|---|---|---|---|---|---|
| 5a | 5b | 5c | 5d | ampicillin | |
| E. coli ATCC1225 | 19 | 19 | 19 | 19 | 16 |
| P. vulgaris | 20 | 20 | 20 | 20 | 22 |
| B. megaterium | 17 | 17 | 17 | 17 | 23 |
| S. aureus ATCC2353 | 18 | 18 | 18 | 18 | 25 |
