Patent ID: 8361962

Claim:
A compound of Formula I wherein: Z 1 is CH; Z 2 is CH or N; X 1 is CH or N; X 2 is CH 2 , NS(═O) 2 R 1 , or NC(═O)R 1′ ; R 1 is lower alkyl; R 1′ is H, amino, or R 1″ ; R 1″ is lower alkyl, optionally substituted with one or more R 1′″ ; R 1′″ is halogen, lower alkoxy, cyano, or amino; X 3 is CHR 2 or S(═O) 2 ; R 2 is H or lower alkyl; Y 1 is H, lower alkyl, lower alkoxy, halogen, or lower haloalkyl; Y 2 is H or lower alkyl; and Y 3 is H, lower alkyl, lower alkoxy, halogen, or lower haloalkyl; or a pharmaceutically acceptable salt thereof.