| Compd. | Normal cells IC50/μMol・L−1 | Cancer cells IC50/μMol・L−1 | ||
| VEC | HeLa | A-549 | BGC-823 | |
| 3a | 83.4 | 19.6 | 20.7 | 19.1 |
| 3b | 75.2 | 29.1 | 15.5 | 11.4 |
| 3c | >100 | 14.2 | 6.32 | 8.62 |
| 3d | 89.8 | 33.7 | 22.3 | 22.2 |
| 3e | 98.4 | 23.6 | 12.7 | 18.9 |
| 3f | >100 | 8.34 | 9.76 | 4.36 |
| gossypol | 36.5 | 23.3 | 19.1 | 17.1 |