| abstract |
The present invention is directed to a method for treating pain associated with a burn injury originating from a thermal exposure, from a radiation exposure, from contact with a chemical agent, and/or from friction in an animal, comprising administering to an animal in need thereof, an effective amount of the compound of formula (I), wherein Ar 1 , Ar 2 , X, R 3 and R 20 are as described herein. |