Patent ID: 8097637

Claim:
A compound of formula (I): wherein R 1 : A is aryl which is optionally substituted by one to five substituents selected from the group consisting of cyano, halo, C 1-6 -alkyl, C 1-6 -haloalkyl and C 1-6 -alkoxy; m is 1, 2 or 3; n is 1, 2, 3, 4 or 5; o is 0, 1 or 2; R 2 is selected from the group consisting of hydrogen, hydroxyl, C 1-6 -alkyl, C 1-6 -haloalkyl and C 1-6 -alkoxy; and R 3 is selected from the group consisting of hydrogen, provided that R 2 is not hydrogen; hydroxyl; C 1-6 -alkyl; C 1-6 -haloalkyl; C 1-6 -haloalkoxy; oxo; —NH(CO)—C 1-6 -alkyl; —O—C 1-6 -alkyl; and —O—C 3-7 -cycloalkyl; or a pharmaceutically acceptable salt thereof.