Patent ID: 8754075

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