Patent ID: 8372874

Claim:
A compound of the formula (I) wherein: Het is a 5-membered heteroaryl ring optionally substituted by C 1-5 alkyl; R 1 is C 1-10 alkyl, C 1-10 alkoxy, C 3-10 cycloalkyl, 3-10 membered saturated heterocyclic ring, 5-10 membered mono or bicyclic heteroaryl ring or phenyl each optionally independently substituted with 1-3 substituents chosen from C 1-8 alkyl, C 1-4 alkoxy, C 3-10 cycloalkyl, C 3-10 cycloalkylC 1-5 alkyl, C 1-4 alkylsulfonyl, C 1-4 acyl, oxo, cyano, phenyl, hydroxyl and halogen; R 2 and R 3 are C 1 -C 4 alkyl or hydrogen with the proviso that both R 2 and R 3 cannot be hydrogen; or R 2 and R 3 together with the carbon atom to which they are attached form a 3- to 6-membered cycloalkyl or heterocyclic ring; R 4 is hydrogen or methyl; R 5 is chosen from m is 0, 1, 2 or 3; each R 6 is independently hydrogen, C 1-6 alkyl, 3-10 membered saturated heterocyclic ring, aryl, benzyl or —(CH 2 ) 1-3 —O—(CH 2 ) 0-1 —X wherein X is aryl or CH 3 ; wherein each heterocyclic, benzyl or aryl ring is optionally substituted by one or more C 1-4 alkyl, C 1-4 alkoxy or halogen; wherein R 7 and R 8 are each independently hydrogen or C 1-4 alkyl with the proviso that both R 7 and R 8 cannot be hydrogen, and wherein R 7 and R 8 optionally can cyclize to form a C 3-7 cycloalkyl ring; R 9 is C 1-4 alkyl which replaces a methylene hydrogen on —(CH 2 ) n — or is absent; n is 0, 1 or 2; wherein any carbon atom on the formula (I) or any R substituent listed above is optionally partially or fully halogenated where possible; or a pharmaceutically acceptable salt thereof.