Potent Nav1.7 blocker (IC50 = 2.5 nM). Also inhibits Nav1.1, Nav1.2, Nav1.3 and Nav1.6 in the nanomolar range. Exhibits no effects on Cav channels or nAChR at 5 μM. Demonstrates analgesic activity in vivo; antagonizes effects of scorpion-venom toxin OD1 at Nav1.7.

2-bromohexadecanoic acid (2-BP, 2-bromopalmitate) is a non-metabolizable palmitate analogue, which can be used as palmitoylation inhibitor.

5-(4-Chlorophenyl)-N-[[2-(2,2,2-trifluoroethoxy)pyridin-3-yl]methyl]pyridine-3-carboxamide is an inhibitor of human NaV1.8