Patent ID: 7632952

Claim:
A compound of general formula (I): wherein: X represents a covalent bond or (CH 2 ) n , where n equals 1 or 2; Ar represents an aryl or heteroaryl group, where the aryl or heteroaryl group is optionally substituted with a group chosen from alkyl, halogen, and NR 1 R 2 (where R 1 and R 2 are chosen from hydrogen, alkyl and cycloalkyl, or R 1 and R 2 may together form a heterocyclic or heteroaryl radical, these groups themselves being optionally substituted), or the aryl or heteroaryl group is optionally substituted with a group chosen from SO 2 alkyl, Salkyl, alkoxy, heteroaryl and aryl; and R represents hydrogen, an alkyl, cycloalkyl, heterocycloalkyl, alkoxy, cycloalkoxy, heterocycloalkoxy or amino group where R may be optionally substituted with one or more groups chosen from alkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, alkoxy, cycloalkoxy, heterocycloalkoxy, hydroxyl, halogen and amino; or a pharmaceutically acceptable salt thereof.