| abstract |
Disclosed are compounds of Formula A, or a salt thereof: n n n n n n n n n n wherein R 1 , R 2 , and E are defined herein, which compounds have properties for inhibiting Na v 1.7 ion channels found in peripheral and sympathetic neurons. Also described are pharmaceutical formulations comprising the compounds of Formula A or their salts, and methods of treating pain disorders, cough, and itch using the same. |