Table 2. Type of inhibition mechanism, as well as KI and KIS values of 5a, 5g and 6a.
| Comp. | Inhibition mechanism | K I value (μM) | K IS value (μM) |
| 5a | Non-competitive type | 3.8 | 3.8 |
| 5g | Mixed type | 10.0 | 35.6 |
| 6a | Mixed type | 8.0 | 72.2 |
| Comp. | Inhibition mechanism | K I value (μM) | K IS value (μM) |
| 5a | Non-competitive type | 3.8 | 3.8 |
| 5g | Mixed type | 10.0 | 35.6 |
| 6a | Mixed type | 8.0 | 72.2 |