Table 4. IC50 Values for 9b–g, 9k, 9l–m, and 9o–p against MCF7 Cells in 3D Cell Culture (CellTiterGlo®3).
| Cpd. | 9b | 9c | 9d | 9e | 9f | 9g |
| IC50 (μM) | 0.7 | 1.2 | 1.6 | 0.2 | 0.3 | 0.3 |
| Cpd. | 9k | 9l | 9m | 9o | 9p | |
| IC50 (μM) | 0.2 | 0.3 | 0.2 | 0.3 | 1.8 |
| Cpd. | 9b | 9c | 9d | 9e | 9f | 9g |
| IC50 (μM) | 0.7 | 1.2 | 1.6 | 0.2 | 0.3 | 0.3 |
| Cpd. | 9k | 9l | 9m | 9o | 9p | |
| IC50 (μM) | 0.2 | 0.3 | 0.2 | 0.3 | 1.8 |