Table 2. Validation of the Binding Mode of Compound 2.

| ID | R | IC50 (nM)a |
|---|---|---|
| 2 | -H | 35.4 ± 1.7 |
| 9 | -Br | 215.0 ± 17.2 |
| 10 | -F | 74.9 ± 8.7 |
| 11 | -COOEt | 1962.5 ± 134.1 |
The IC50 values were determined for each compound (mean ± SEM) from two independent tests.

| ID | R | IC50 (nM)a |
|---|---|---|
| 2 | -H | 35.4 ± 1.7 |
| 9 | -Br | 215.0 ± 17.2 |
| 10 | -F | 74.9 ± 8.7 |
| 11 | -COOEt | 1962.5 ± 134.1 |
The IC50 values were determined for each compound (mean ± SEM) from two independent tests.