| abstract |
A compound of the formula (I):n or a pharmaceutically acceptable salt thereof, wherein:n A is an alkylene group of 2 to 6 chain carbon atoms, one or two of which chain carbon atoms may be branched by one or two C 1-4 alkyl groups; R, represents hydrogen, or one or more halogen, C 1-4 alkyl, C 1-4 alkoxy or CF 3 ; and R 2 represents C 1-4 alkyl; has useful antidepressant activity. |