A compound having the formula I: or a pharmaceutically acceptable salt thereof, wherein: X is Y is 4 substituents, each independently selected from H, (C 1 -C 4)alkyl, halogen, and OH, wherein said alkyl is optionally substituted with one or more halogen or OH; A is a 6-membered aryl or heteroaryl ring which is substituted with 1 to 4 R groups each independently selected from OH, oxo, amino, amido, carboxyl, keto, cyano, alkoxy, S m -alkyl, halogen, aminoalkyl, hydroxyalkyl, alkyl, cycloalkyl, alkynyl, aryl, heteroaryl, and heterocyclyl, wherein said amino, amido, carboxyl, keto, alkoxy, S m -alkyl, aminoalkyl, hydroxyalkyl, alkyl, cycloalkyl, alkynyl, aryl, heteroaryl and heterocyclyl are optionally substituted with one or more substituents independently selected from halogen, OH, oxo, CF 3, OCF 3, CN, (C 1 -C 6)alkyl, O(C 1 -C 4)alkyl, S m -(C 1 -C 4)alkyl, C=O(C 1 -C 4)alkyl, (C=O)NR 7 R 8, (C=O)OR 7, (C 2 -C 4)alkynyl, (C 3 -C 6)cycloalkyl, O(C 3 -C 6)cycloalkyl, C=O(C 3 -C 6)cycloalkyl, aryl, heteroaryl and heterocyclyl, wherein said alkyl, aryl, heteroaryl and heterocyclyl are optionally independently substituted with one or more halogen, CF 3, OH and oxo; R 3 is H, halogen, Si(CH 3) 3 or (C 1 -C 4)alkyl, wherein said alkyl is optionally substituted with one or more halogen; R 4 is H, halogen or (C 1 -C 4)alkyl, wherein said alkyl is optionally substituted with one or more halogen; or, R 3 and R 4 optionally can come to together to form a cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl ring wherein said ring may be optionally substituted with one or more substituents independently selected from OH, halogen, or (C 1 -C 4)alkyl; R 5 is H; R 6 is H; R 7 and R 8 are independently selected from H, (C 1 -C 6)alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl, wherein said alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl are optionally substituted with one or more substituents independently selected from halogen, OH, CF 3, (C 1 -C 4)alkyl, O(C 1 -C 4)alkyl, cycloalkyl, CN, aryl, heteroaryl, and heterocyclyl, wherein said alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl are optionally substituted with one or more substituents independently selected from halogen, OH, CF 3, (C 1 -C 4)alkyl, O(C 1 -C 4)alkyl, CN and m is 0, 1, or 2. X is Y is 4 substituents, each independently selected from H, (C 1 -C 4)alkyl, halogen, and OH, wherein said alkyl is optionally substituted with one or more halogen or OH; A is a 6-membered aryl or heteroaryl ring which is substituted with 1 to 4 R groups each independently selected from OH, oxo, amino, amido, carboxyl, keto, cyano, alkoxy, S m -alkyl, halogen, aminoalkyl, hydroxyalkyl, alkyl, cycloalkyl, alkynyl, aryl, heteroaryl, and heterocyclyl, wherein said amino, amido, carboxyl, keto, alkoxy, S m -alkyl, aminoalkyl, hydroxyalkyl, alkyl, cycloalkyl, alkynyl, aryl, heteroaryl and heterocyclyl are optionally substituted with one or more substituents independently selected from halogen, OH, oxo, CF 3, OCF 3, CN, (C 1 -C 6)alkyl, O(C 1 -C 4)alkyl, S m -(C 1 -C 4)alkyl, C=O(C 1 -C 4)alkyl, (C=O)NR 7 R 8, (C=O)OR 7, (C 2 -C 4)alkynyl, (C 3 -C 6)cycloalkyl, O(C 3 -C 6)cycloalkyl, C=O(C 3 -C 6)cycloalkyl, aryl, heteroaryl and heterocyclyl, wherein said alkyl, aryl, heteroaryl and heterocyclyl are optionally independently substituted with one or more halogen, CF 3, OH and oxo; R 3 is H, halogen, Si(CH 3) 3 or (C 1 -C 4)alkyl, wherein said alkyl is optionally substituted with one or more halogen; R 4 is H, halogen or (C 1 -C 4)alkyl, wherein said alkyl is optionally substituted with one or more halogen; or, R 3 and R 4 optionally can come to together to form a cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl ring wherein said ring may be optionally substituted with one or more substituents independently selected from OH, halogen, or (C 1 -C 4)alkyl; R 5 is H; R 6 is H; R 7 and R 8 are independently selected from H, (C 1 -C 6)alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl, wherein said alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl are optionally substituted with one or more substituents independently selected from halogen, OH, CF 3, (C 1 -C 4)alkyl, O(C 1 -C 4)alkyl, cycloalkyl, CN, aryl, heteroaryl, and heterocyclyl, wherein said alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl are optionally substituted with one or more substituents independently selected from halogen, OH, CF 3, (C 1 -C 4)alkyl, O(C 1 -C 4)alkyl, CN and m is 0, 1, or 2.