A compound of Formula: or a pharmaceutically acceptable salt thereof wherein: R 1 is H, halo, or methyl; R 2 is ethyl substituted with -OH, C 1 -C 4 alkoxy, or with one or more halo groups; or R 2 is C 3 -C 6 alkyl optionally substituted with OH, halo or C 1-4 alkoxy; or R 2 is C 3 -C 6 cycloalkyl; R 3 is C 2 -C 8 alkyl optionally substituted with 1 to 3 substituents independently selected from -NH 2, -NH(C 1 -C 4 alkyl), -NHC O(C 1 -C 4 alkyl), -NHC (C 1 -C 4 alkyl), -OH, C 1 -C 4 alkoxy, haloC 1 -C 4 alkoxy, halo and C 3 -C 5 cycloalkyl which is further optionally substituted with OH or halo; or R 3 is C 3 -C 10 cycloalkyl or C 3 -C 5 cycloalkyl-CH 2, each of which is optionally substituted with 1 to 3 substituents independently selected from -OH, C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, halo, -OC (C 1 -C 4 alkyl), haloC 1 -C 4 alkyl, -C O(C 1 -C 4 alkyl), hydroxyC 1 -C 4 alkyl, C 1 -C 4 alkoxy, haloC 1 -C 4 alkoxy, - NH 2, -NH(C 1 -C 4 alkyl), -CO 2 H; or R 3 is mono or bicyclic aryl, or a mono or bicyclic heteroaryl, each of which is optionally substituted with 1 to 3 substituents independently selected from -OH, C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, halo, - OC (C 1 -C 4 alkyl), haloC 1 -C 4 alkyl, -C O(C 1 -C 4 alkyl), hydroxyC 1 -C 4 alkyl, C 1 -C 4 alkoxy, haloC 1 -C 4 alkoxy, -NH 2, -SO 2 NH 2, -SO 2 NH(C 1 -C 4 alkyl), -NHSO 2 (C 1 -C 4 alkyl), -NH(C 1 -C 4 alkyl), -C NH 2, C C 1 -C 4 alkyl, -CO 2 H; or R 3 is a mono or bicyclic heterocyclyl optionally substituted with 1 to 3 substituents independently selected from -OH, oxo, C 3 -C 6 cycloalkyl, halo, -C O-C 1 -C 4 alkyl, -C C 1 -C 4 alkyl, and C 1 -C 4 alkyl which is further optionally substituted with 1 to 4 substituents independently selected from C 3 -C 6 cycloalkyl, halo, C 1 -C 4 alkoxy, haloC 1 -C 4 alkoxy and OH; X is N or CH. R 1 is H, halo, or methyl; R 2 is ethyl substituted with -OH, C 1 -C 4 alkoxy, or with one or more halo groups; or R 2 is C 3 -C 6 alkyl optionally substituted with OH, halo or C 1-4 alkoxy; or R 2 is C 3 -C 6 cycloalkyl; R 3 is C 2 -C 8 alkyl optionally substituted with 1 to 3 substituents independently selected from -NH 2, -NH(C 1 -C 4 alkyl), -NHC O(C 1 -C 4 alkyl), -NHC (C 1 -C 4 alkyl), -OH, C 1 -C 4 alkoxy, haloC 1 -C 4 alkoxy, halo and C 3 -C 5 cycloalkyl which is further optionally substituted with OH or halo; or R 3 is C 3 -C 10 cycloalkyl or C 3 -C 5 cycloalkyl-CH 2, each of which is optionally substituted with 1 to 3 substituents independently selected from -OH, C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, halo, -OC (C 1 -C 4 alkyl), haloC 1 -C 4 alkyl, -C O(C 1 -C 4 alkyl), hydroxyC 1 -C 4 alkyl, C 1 -C 4 alkoxy, haloC 1 -C 4 alkoxy, - NH 2, -NH(C 1 -C 4 alkyl), -CO 2 H; or R 3 is mono or bicyclic aryl, or a mono or bicyclic heteroaryl, each of which is optionally substituted with 1 to 3 substituents independently selected from -OH, C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, halo, - OC (C 1 -C 4 alkyl), haloC 1 -C 4 alkyl, -C O(C 1 -C 4 alkyl), hydroxyC 1 -C 4 alkyl, C 1 -C 4 alkoxy, haloC 1 -C 4 alkoxy, -NH 2, -SO 2 NH 2, -SO 2 NH(C 1 -C 4 alkyl), -NHSO 2 (C 1 -C 4 alkyl), -NH(C 1 -C 4 alkyl), -C NH 2, C C 1 -C 4 alkyl, -CO 2 H; or R 3 is a mono or bicyclic heterocyclyl optionally substituted with 1 to 3 substituents independently selected from -OH, oxo, C 3 -C 6 cycloalkyl, halo, -C O-C 1 -C 4 alkyl, -C C 1 -C 4 alkyl, and C 1 -C 4 alkyl which is further optionally substituted with 1 to 4 substituents independently selected from C 3 -C 6 cycloalkyl, halo, C 1 -C 4 alkoxy, haloC 1 -C 4 alkoxy and OH; X is N or CH.