| Compound No. | Mycobacterium smegmatis-MIC50 (μM) after 48 hrs (Mean + SEM) |
| 4 | 26.88 + 0.29 |
| 8 | 53.10 + 12.80 |
| 9 | 34.84 + 12.81 |
| 10 | 110.53 + 4.9 |
| 11 | 88.08 + 2.11 |
| 12 | NA |
| 13 | NA |
| 14 | NA |
| 2 | 11.37 + 3.51 |
| Rifampin | 7.33 + 2.34 |