Table 3. Inhibitory potency of azaindole-substituted 4-ethylpiperidine carbamates against FAAH.
| ||
| Compound | Position of the nitrogen in the indole ring | Inhibition of FAAH IC50 a (μM) |
| 39 | 4 | 1.7 |
| 40 | 5 | 0.79 |
| 41 | 6 | 0.31 |
| 42 | 7 | 0.20 |
aValues are the means of at least two independent determinations, errors are within ±20%.