Patent ID: 7378552

Claim:
A compound having the following structure: or a stereoisomer or pharmaceutically acceptable salt thereof, wherein: W is —CH 2 —, O or S; X—Y is —CH 2 —, or —CH 2 CH 2 ; Z is F, OH, lower alkoxy, or substituted lower alkoxy; R 1 at each occurrence is independently halo, CN, CF 3 , OH, lower alkyl, lower alkoxy, or lower thioalkyl; R 2 , R 3 are independently H, lower alkyl, or substituted lower alkyl; R 4 , R 5 are independently H, halo, CN, CF 3 , OH, lower alkyl, substituted lower alkyl, lower alkoxy, substituted lower alkoxy, lower thioalkyl, or substituted lower thioalkyl; R 6 is at each occurrence independently H, halo, CN, CF 3 , OH, lower alkyl, substituted lower alkyl, lower alkoxy, or lower thioalkyl; m is 0, 1, 2, or 3; and n is 0, 1, 2 or 3.