Patent ID: 8476264

Claim:
A compound of formula I, wherein R 1 is selected from the group consisting of i) aryl, ii) aryl substituted by 1-4 substituents individually selected from cyano, cyano-C 1-6 -alkyl, halogen, halogen-C 1-6 -alkoxy, halogen-C 1-6 -alkyl, C 1-6 -alkoxy, C 1-6 -alkoxy-C 1-6 -alkyl, C 2-6 -alkynyl-C 1-6 -alkoxy, C 2-6 -alkynyl and C 1-6 -alkyl, iii) heteroaryl, and iv) heteroaryl substituted by 1-4 substituents individually selected from C 3-6 -cycloalkyl-C 1-6 -alkoxy, C 3-6 -cycloalkyl-C 1-6 -alkyl, cyano, cyano-C 1-6 -alkyl, halogen, halogen-C 1-6 -alkoxy, halogen-C 1-6 -alkyl, C 1-6 -alkoxy, C 1-6 -alkoxy-C 1-6 -alkyl, C 2-6 -alkynyl-C 1-6 -alkoxy, C 2-6 -alkynyl and C 1-6 -alkyl; R 2 is selected from the group consisting of i) hydrogen, ii) C 1-6 -alkyl, and iii) halogen; R 3 is selected from the group consisting of i) C 1-6 -alkyl and ii) halogen-C 1-6 -alkyl; R 4 is selected from the group consisting of i) hydrogen and ii) C 1-6 -alkyl; and R 5 is selected from the group consisting of i) hydrogen, ii) C 1-6 -alkyl and iii) halogen-C 1-6 -alkyl; or a pharmaceutically acceptable salt thereof.