| 摘要 |
PROBLEM TO BE SOLVED: To provide a therapeutic agent for pathological conditions associated with Nav1.7 or Nav1.8 such as neuropathic pain, nociceptive pain, inflammatory pain, small fiber neuropathy, erythromelalgia, paroxysmal extreme pain disorder, dysuria or multiple sclerosis.SOLUTION: The present invention provides a compound represented by the following formula (1) or a pharmaceutically acceptable salt thereof [where Ris hydrogen, cyano, Calkyl and the like, Rand Rindependently represent Calkyl, Ccycloalkyl and the like, R, Rand Rindependently represent Caryl, Caryloxy and the like, L is CRR, Rand Rindependently represent hydrogen, Calkyl and the like, m is 1, 2 or 3].SELECTED DRAWING: None |
