| Compound No. | Percentage of decayed discs at different Conc. (µg∙cm−1) | |||
| 100 | 1000 | 4000 | ||
| 6 | 90.0 | 76.0 | 76.0 | |
| 7 | 90.0 | 78.0 | 70.0 | |
| 9 | 80.0 | 76.0 | 40.0 | |
| 11 | 76.0 | 60.0 | 40.0 | |
| 13 | 100 | 100 | 100 | |
| 15 | 20.0 | 10.0 | 0.0 | |
| TBZ | 20 | 0.0 | 0.0 | |