Table 1. IC50 Values of NaV1.7 Inhibitors 1a.

| X | Y | hNaV1.7 IC50 (μM) | mNaV1.7 IC50 (μM) | |
|---|---|---|---|---|
| I | 0.052 | 1.7 | ||
| 1a | Ph | H | >10 | >10 |
| 1b | CH2Ph | H | >10 | >10 |
| 1c | H | Ph | >10 | >10 |
| 1d | Ph | Me | 0.33 | 2.7 |
| 1e | Me | Ph | >10 | >10 |
Data were obtained with a high-throughput electrophysiology system (IonWorks Quattro). Values are from a single experiment run in quadruplicate.