Patent ID: 7910613

Claim:
A compound of formula I wherein R 1 is phenyl optionally substituted with one or more substituents selected from halogen, C 1-6 -alkyl and C 1-6 -alkoxy; R 2 is a five membered heteroaryl selected from the group consisting of [1,2,4]-oxadiazol-3-yl, [1,2,4]-oxadiazol-5-yl and [1,2,5]-oxadiazol-3-yl, wherein the heteroaryl is optionally substituted with one or more substituents selected from the group consisting of C 1-6 -alkyl, phenyl-C 1-6 -alkyl, C 1-6 -alkoxy and C 1-6 -alkoxy-C 1-6 -alkyl, or R 2 is 5-oxo-4,5-dihydro-[1,3,4]-oxadiazol-2-yl; and R 3 is selected from the group consisting of C 1-6 -alkyl, C 3-8 -cycloalkyl, C 3-8 -cycloalkyl-C 1-6 -alkyl, furanyl, furanyl-C 1-6 -alkyl, thienyl, thienyl-C 1-6 -alkyl, phenyl, phenyl -C 2-6 -alkene and phenyl-C 1-6 -alkyl, wherein the phenyl-C 1-6 -alkyl optionally is substituted in the phenyl ring with one or more substituents selected from halogen, C 1-6 -alkyl and C 1-6 -alkoxy; or a pharmaceutically acceptable addition salt thereof.