Patent ID: 8846936

Claim:
A compound of the formula (I) wherein: R 1 is C 1-10 alkyl, C 3-10 cycloalkyl, 3-10 membered saturated heterocyclic ring, C 1-5 alkyl-heterocyclic ring, 5-10 membered mono or bicyclic heteroaryl ring or C 1-5 alkyl-heteroaryl ring, wherein each R 1 is optionally independently substituted with 1-3 substituents chosen from C 1-4 alkyl group, C 3-10 cycloalkyl, C 1-4 alkoxy, C 1-4 alkylsulfonyl, C 1-4 acyl, oxo, phenyl, cyano, hydroxyl and halogen; R 2 and R 3 are C 1-4 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 ring or heterocyclic ring; R 4 is hydrogen or methyl; R 5 is 5 membered heteroaryl ring optionally independently substituted with 1-3 substituents chosen from C 1-4 alkyl group, cyano, —C 1-8 branched or unbranched alkyl —O—R 6 , C 3-8 -cycloalkyl-O—R 6 , —C 1-3 branched or unbranched alkyl —R 7 and aryl-R 8 each R 6 is independently hydrogen, C 1-4 alkyl, —C 1-4 alkyl-O C 1-4 alkyl, or —C 1-4 alkyl-OH; R 7 is a 5-6 membered heteroaryl ring; R 8 is hydroxyl, C 1-6 alkoxy, C 1-4 alkylsulfonyl, cyano, halogen or C 1-4 alkyl L is a bond, —C(O)—, —C(O)—NH— or —SO 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.