| Compound | IC50 μg/mL | SD |
| 1 | 0.680772 | 0.010003 |
| 2 | 0.567218 | 0.056051 |
| 3 | 0.741618 | 0.003939 |
| 4 | 0.742452 | 0.038416 |
| 5 | 3.729431 | 0.218153 |
| 6 | 0.537161 | 0.003352 |