| abstract |
The present invention discloses novel compounds of general formula (I) n nor a pharmaceutically acceptable salt or prodrug thereof (in which X 1 -X 5 , R 5 -R 8b , Z 1 -Z 2 and Ar 1 are defined herein), a method for inhibiting the VR1 receptor in mammals using these compounds, a method for controlling pain in mammals, and pharmaceutical compositions including those compounds and a process for making those compounds. |