| SL No. | Test samples | LC50 in μg/ml |
| 1 | VS | 0.42 ± 0.01 |
| 3 | PE | 1.36 ± 0.39 |
| 2 | CTC | 1.27 ± 0.07 |
| 4 | CF | 1.52 ± 0.01 |
| 5 | AQ | 0.52 ± 0.11 |
| 6 | 8-methoxy-n-methylflindersine | 1.45 ± 0.54 |