| abstract |
Disclosed are compounds of Formula A A and Formula A B : wherein “Heteroaryl-1”, R A1 , R A2 , R B1 , and R C are defined herein, which novel compounds have properties for blocking Na 1.7 ion channels found in peripheral and sympathetic neurons. Also described are pharmaceutical formulations comprising the compounds of Formulae A A and A B or their salts, and methods of treating neuropathic pain disorders using the same. |