A compound of Formula I : or a pharmaceutically acceptable salt thereof wherein, R 1 is selected from the group consisting of of: R 11 is H, halogen, (1-2C)alkyl or (1-2C)alkoxy, all alkyl and alkoxy groups optionally being substituted with one or more halogen; R 12 is halogen, (1-2C)alkyl (2-3C)alkenyl, (2-3C)alkynyl, (1-2C)alkoxy, (3-8C)cycloalkyl, or cyano, all alkyl, alkoxy and cycloalkyl groups optionally being substituted with one or more halogen; R 13 is H, halogen, (1-2C)alkyl or (1-2C)alkoxy, all alkyl and alkoxy groups optionally being substituted with one or more halogen; R 14 is H, halogen, (1-2C)alkyl or (1-2C)alkoxy, all alkyl and alkoxy groups optionally being substituted with one or more halogen; R 15 is H, halogen, (1-2C)alkyl or (1-2C)alkoxy, all alkyl and alkoxy groups optionally being substituted with one or more halogen; R 2 is selected from the group consisting of: a) hydrogen, b) (1-6C)alkyl, wherein (1-6C)alkyl optionally can be substituted, R 3 is selected from the group consisting of: a) (6-10C)aryl, b) (1-9C)heteroaryl, c) (3-8C)cycloalkyl, d) (2-7C)heterocycloalkyl, e) (1-6C)alkyl, f) (1-6)alkylamino, g) (3-6C)cycloalkylamino h) (6-10C)arylamino, i) (1-9C)heteroarylamino, j) (2-7C)heterocycloalkylamino, wherein all groups optionally can be substituted, R 4 is selected from the group consisting of: a) hydrogen, b) (1-6C)alkyl, wherein (1-6C)alkyl optionally can be substituted, R 5 is selected from the group consisting of: a) hydrogen, b) (1-6C)alkyl, wherein (1-6C)alkyl optionally can be substituted, A is selected from CH(R a ), C(O), S(O) or SO 2 , R a is selected from the group consisting of: a) hydrogen, b) (1-6C)alkyl, wherein (1-6C)alkyl optionally can be substituted with fluorine or hydroxyl. R 1 is selected from the group consisting of of: R 11 is H, halogen, (1-2C)alkyl or (1-2C)alkoxy, all alkyl and alkoxy groups optionally being substituted with one or more halogen; R 12 is halogen, (1-2C)alkyl (2-3C)alkenyl, (2-3C)alkynyl, (1-2C)alkoxy, (3-8C)cycloalkyl, or cyano, all alkyl, alkoxy and cycloalkyl groups optionally being substituted with one or more halogen; R 13 is H, halogen, (1-2C)alkyl or (1-2C)alkoxy, all alkyl and alkoxy groups optionally being substituted with one or more halogen; R 14 is H, halogen, (1-2C)alkyl or (1-2C)alkoxy, all alkyl and alkoxy groups optionally being substituted with one or more halogen; R 15 is H, halogen, (1-2C)alkyl or (1-2C)alkoxy, all alkyl and alkoxy groups optionally being substituted with one or more halogen; R 2 is selected from the group consisting of: a) hydrogen, b) (1-6C)alkyl, a) hydrogen, b) (1-6C)alkyl, wherein (1-6C)alkyl optionally can be substituted, R 3 is selected from the group consisting of: a) (6-10C)aryl, b) (1-9C)heteroaryl, c) (3-8C)cycloalkyl, d) (2-7C)heterocycloalkyl, e) (1-6C)alkyl, f) (1-6)alkylamino, g) (3-6C)cycloalkylamino h) (6-10C)arylamino, i) (1-9C)heteroarylamino, j) (2-7C)heterocycloalkylamino, a) (6-10C)aryl, b) (1-9C)heteroaryl, c) (3-8C)cycloalkyl, d) (2-7C)heterocycloalkyl, e) (1-6C)alkyl, f) (1-6)alkylamino, g) (3-6C)cycloalkylamino h) (6-10C)arylamino, i) (1-9C)heteroarylamino, j) (2-7C)heterocycloalkylamino, wherein all groups optionally can be substituted, R 4 is selected from the group consisting of: a) hydrogen, b) (1-6C)alkyl, a) hydrogen, b) (1-6C)alkyl, wherein (1-6C)alkyl optionally can be substituted, R 5 is selected from the group consisting of: a) hydrogen, b) (1-6C)alkyl, a) hydrogen, b) (1-6C)alkyl, wherein (1-6C)alkyl optionally can be substituted, A is selected from CH(R a ), C(O), S(O) or SO 2 , R a is selected from the group consisting of: a) hydrogen, b) (1-6C)alkyl, a) hydrogen, b) (1-6C)alkyl, wherein (1-6C)alkyl optionally can be substituted with fluorine or hydroxyl. <EOS>