| abstract |
Provided herein are compounds of formula (I) or pharmaceutically acceptable salts, solvates or prodrugs thereof, or mixtures thereof, wherein Z 1 , Z 2 , X 1 , X 2 , X 3 , R 1 , R 2 R 3 , m and n are defined herein. Also provided are pharmaceutically acceptable compositions that include a compound of formula I and a pharmaceutically acceptable excipient. Also provided are methods for treating FAAH-mediated disorders comprising administering to a subject in need thereof a therapeutically effective amount of a compound or composition of the present invention. |