Patent ID: 7485640

Claim:
A compound of the formula I: wherein: —U—V— represents —CH═CH—, or —CH 2 —CH 2 —; X 1 represents hydrogen, halogen, C 1-6 alkyl, trifluoromethyl or C 1-6 alkoxy; X 2 represents hydrogen or halogen; Y represents a chemical bond; Z represents a substituted phenyl or triazolyl group, wherein the substituent is selected from fluoro, chloro, cyano, nitro, methyl, hydroxy, methoxy, oxy, methanesulphonyl, amino, aminocarbonyl, formyl, methoxycarbonyl and —CH═NOH; R 1 represents C 1-6 alkyl, halo(C 1-6 )alkyl, methyl-triazolylmethyl or pyridinylmethyl; or a pharmaceutically acceptable salt thereof.