Table 5.
Structure and cytotoxic activity for compounds (53–56) in the external set
![]() | ||||
|---|---|---|---|---|
| Compound | R | Actual Activity (EC50, µM) |
Actual Activity (−logEC50) |
Predicted Activity (−logEC50) |
| 55 | ![]() |
0.22 | 6.65 | 6.81 |
| 56 | ![]() |
0.63 | 6.20 | 6.81 |
| 57 | ![]() |
57.1 | 4.24 | 4.42 |
| 58 | ![]() |
0.15 | 6.82 | 6.60 |




