| Compound | Concentration/(mg·L−1) | DMSO Volume/mL |
| 1 | 20 | 1 |
| 30 | 2 | |
| 50 | 4 | |
| 100 | 5 | |
| 2 | 20 | 1 |
| 30 | 1 | |
| 50 | 2 | |
| 100 | 2 | |
| 3 | 20 | 2 |
| 30 | 2 | |
| 50 | 4 | |
| 100 | 5 |