| abstract |
The present invention provides a compound of formula I, or an N-oxide thereof or a pharmaceutically acceptable salt thereof: n n nwhereinn n X 1 represents hydrogen, halogen, C 1-6 alkyl, trifluoromethyl or C 1-6 alkoxy; n X 2 represents hydrogen or halogen; n Z represents hydrogen, halogen, cyano, cyanomethyl, trifluoromethyl, nitro, hydroxy, hydroxy(C 1-6 )alkyl, C 1-6 alkoxy, C 1-6 alkoxy(C 1-6 )alkyl, trifluoromethoxy, trifluoromethylthio, trifluoromethanesulfinyl, formyl, C 2-6 alkoxycarbonyl, oxopyrrolidinyl, or an optionally substituted aryl, heteroaryl or heteroaryl(C 1-6 )alkoxy group; and n R 1 represents aryl or heteroaryl, either of which groups may be optionally substituted; n pharmaceutical compositions comprising it, its use in therapy and methods of treatment of anxiety and/or depression using it. |