Patent ID: 7745458

Claim:
A compound of formula (I) or a salt thereof: wherein: p in the group (R 1 ) p is 0, 1, 2, 3, 4 or 5; R 1 is independently selected from the group consisting of halogen, hydroxy, cyano, C 1-4 alkyl, haloC 1-4 alkyl, C 1-4 alkoxy, haloC 1-4 alkoxy, C 1-4 alkanoyl and SF 5 ; n is 2 to 4; R 2 is hydrogen or C 1-4 alkyl; X is —CH 2 —, —O— or —S—; Z may be —CH— or N; A is a group P or P1, wherein P is; and P1 is and Y is hydrogen, —OH, C 1-4 alkyl, haloC 1-4 alkyl, phenyl or a heteroaromatic group, wherein the phenyl and the heteroaromatic group are optionally substituted by one or two substituents selected from the group consisting of C 1-4 alkyl, haloC 1-4 alkyl, hydroxyl, C 1-4 alkoxy and haloC 1-4 alkoxy.