Patent ID: 7507860

Claim:
A compound of the formula: in which; a) X 1 is represented by cyano, halogen or haloalkyl, b) one of R 1 or R 2 is represented by C 1 -C 6 alkyl which may be optionally substituted, and the other of R 1 or R 2 is represented by hydrogen or C 1 -C 6 alkyl which may be optionally substituted, c) Alk 1 is represented by a C 1 -C 2 linear alkylene group, in which up to two hydrogen atoms are optionally replaced by a substitutent selected from the group consisting of C 1 -C 6 alkyl optionally substituted, halogen, hydroxy, thiol, and cyano, d) n is represented by the integer 0 or 1, e) Y is represented by NX 2 X 3 , f) X 2 is represented by hydrogen or (C 1 -C 6 ) alkyl optionally substituted, and g) X 3 is represented by (C 6 -C 10 )aryl(C 1 -C 6 )alkyl, in which the alkyl and aryl moieties may each be optionally substituted, or a pharmaceutically acceptable salt thereof.