Patent ID: 8859534

Claim:
A compound of formula (I), wherein R 1 is pyridinyl or indolinyl, wherein said pyridinyl or indolinyl is optionally substituted with one or more substituents selected from the group consisting of C 1-4 alkyl, halogen, CF 3 , CN, C 1-4 alkoxy, —C(O)C 1-4 alkyl, —NC 1-4 alkylC(O)C 1-4 alkyl, —NHC(O)C 1-4 alkyl, —C(O)HN(C 1-4 alkyl) and —C(O)N(C 1-4 alkyl) 2 ; R 2 is C 1-4 alkyl, heterocyclyl, —C 1-4 alkyl-phenyl, —C 1-4 alkylheteroaryl, carbocyclyl, —C 1-4 alkylheterocyclyl, -heterocyclyl-heteroaryl, -phenyl-heterocyclyl, -carbocyclyl-heteroaryl, -heterocyclyl-phenyl, wherein in said groups the heterocyclyl, phenyl, heteroaryl or carbocyclyl moiety may be optionally substituted with one or more substituents selected from the group consisting of halogen, C 1-4 alkoxy, —C(O)C 1-4 alkyl, —C 0-4 alkylSO 2 C 1-4 alkyl, cyano, hydroxy, and —C 1-4 alkyl; R 3 is hydrogen or C 1-4 alkyl, or R 2 and R 3 may together with the nitrogen atom, form a saturated ring system containing 4, 5 or 6 ring forming atoms selected from carbon or nitrogen and wherein said ring system is optionally substituted with one or more substituent selected from halogen, C 1-4 alkyl and C 1-4 alkoxy, —O-heteroaryl; R 4 is hydrogen, halogen, methyl or methoxy; wherein heteroaryl is a monocyclic aromatic heterocycle containing 1 or 2 heteroatoms that are each independently nitrogen, sulphur, or oxygen; or benzodioxolyl; and heterocyclyl is a saturated monocyclic ring containing 3 to 7 atoms of which 1 or 2 ring atoms are each independently nitrogen, sulphur, or oxygen; or a pharmaceutically acceptable salt thereof.