Compounds derived from pirrolidinil heteroaryl heteroaryl - - and - - piperidinil ketone ketone; Pharmaceutical Composition and use in the treatment of depression and anxiety.

摘要

Compounds of the formula: or pharmaceutically acceptable salts thereof, wherein m, n, Ar, R 1 , R 2 , R a and R b are defined herein. Also provided are pharmaceutical compositions, methods of using, and methods of preparing the compounds.