Patent ID: 7361659

Claim:
A compound of formula (I) wherein A is selected from the group consisting of: R a is H, halo or C 1-6 -alkyl; R 1 is H, halo, C 1-6 -alkoxy, C 1-6 -alkyl, C 1-6 -haloalkyl, or C 1-6 -haloalkoxy; R 2 is halogen, or C 1-6 -haloalkyl; R 3 is C 1-6 -alkyl optionally substituted by hydroxy, or is NR b R c wherein R b and R c are independently selected from the group consisting of: H, C 3-8 -cycloalkyl, aryl, heteroaryl having from 5 to 12 ring atoms, and C 1-6 -alkyl which is optionally substituted by one or more substituent(s) selected from the group consisting of halo, hydroxy, C 3-8 -cycloalkyl, aryl, heteroaryl having from 5 to 12 ring atoms and —NR b′ R c′ , wherein R b′ and R c′ are each independently selected from the group consisting of H and C 1-6 -alkyl; or R b and R c can, together with the nitrogen atom to which they are attached, form an optionally substituted heterocyclic group having 5 to 12 ring atoms, wherein the substituents are selected from the group consisting of halo, hydroxy, C 1-6 -alkyl and C 1-6 -haloalkyl; and R 4 is H, straight C 1-6 -alkyl, C 1-6 -haloalkyl or C 3-4 -cycloalkyl; or a pharmaceutically acceptable salt thereof.