Patent ID: 7906530

Claim:
A compound of formula (I) wherein: each instance of R 1 is independently chosen from halogen atoms, C 1-4 alkyl groups optionally substituted by one, two or three halogen atoms and C 1-4 alkoxy groups; each instance of R 2 is independently chosen from halogen atoms, hydroxy, C 1-4 alkyl, C 1-4 alkoxy, C 1-4 alkylthio, C 1-4 alkoxy-C 1-4 alkoxy, morpholin-C 1-4 alkoxy, C 1-4 alkanesulfonamide and C 1-4 alkoxy-C 1-4 alkylcarbamoyl groups; R 3 is chosen from a hydrogen atom and -L-G 1 wherein L is a linker chosen from a direct bond, —O—, —S— and —NH—; and G 1 chosen from aromatic heterocycles or non-aromatic heterocycles having one ring or two or more fused rings wherein, independently, the aromatic heterocycles, or non-aromatic heterocycles are optionally substituted with one or two groups chosen from halogen atoms, amino groups, mono- or di-C 1-4 alkylamino groups, C 1-4 alkyl groups, C 1-4 alkoxy groups and C 3-6 cycloalkyl groups; n is an integer from 0 to 4 m is an integer from 0 to 4; and x has the value of zero or one; or a pharmaceutically acceptable salt thereof.