NOVEL IMIDAZOPYRIDINE COMPOUND

摘要

Provided are: a compound represented by formula (1) or a pharmaceutically acceptable salt thereof; and a therapeutic agent for all of pathologic conditions in which Nav1.7 or Nav1.8 is concerned, specifically, for diseases such as neuropathic pain, nociceptive pain, inflammatory pain, small fiber neuropathy, erythromelalgia, paroxysmal acute pain, urinary disturbance or multiple sclerosis. [In the formula, each symbol is as defined in the description.]