Table 1.
IC50 values of compounds against A549 and Hela cancer cell lines.

| Compound | IC50/μM a | |
|---|---|---|
| A549 | Hela | |
| 4m | 2.3 ± 0.2 | 1.6 ± 0.2 |
| 1 | >10 | >10 |
| 2 | >10 | >10 |
| 3 | >10 | >10 |
| 4 | >10 | >10 |
| 5 | >10 | >10 |
| 6 | >10 | 8.9 ± 0.7 |
| 7 | >10 | >10 |
| 8 | 7.3 ± 1.2 | 5.9 ± 1.6 |
| 9 | 3.7 ± 0.4 | 4.8 ± 1.4 |
| 10 | 5.6 ± 1.0 | 4.7 ± 2.8 |
| 11 | 1.2 ± 0.1 | 0.7 ± 0.2 |
| 12 | >10 | 6.2 ± 0.4 |
| 13 | >10 | >10 |
| 14 | >10 | 3.9 ± 0.2 |
| 15 | >10 | >10 |
| 16 | >10 | >10 |
| Paclitaxel b | 0.004 ± 0.2 | 0.004 ± 0.8 |
a All results are presented as mean ± standard deviation (SD) from three parallel experiments. b Paclitaxel as a positive control.