Patent ID: 7378436

Claim:
A compound of Formula (I) and the pharmaceutically and/or veterinarily acceptable salts thereof, wherein R 1 is H; R 2 is phenyl, naphthyl or quinolinyl, each optionally substituted by at least one substituent independently selected from C 1-8 alkyl, C 1-8 alkoxy, OH, halo, CF 3 , OCF 3 , SCF 3 , hydroxy-C 1-6 alkyl, C 1-4 alkoxy-C 1-6 alkyl and C 1-4 alkyl-S—C 1-4 alkyl; R 3 is C 1-6 alkyl, C 3-8 cycloalkyl, C 3-8 cycloalkyl-C 1-6 alkyl, aryl, het, aryl-C 1-4 alkyl or het-C 1-4 alkyl, wherein the cycloalkyl, aryl or het groups are optionally substituted by at least one substituent independently selected from C 1-6 alkyl, C 1-6 alkoxy, OH, halo, CF 3 , OCF 3 , SCF 3 , hydroxy-C 1-6 alkyl, C 1-4 alkoxy-C 1-6 alkyl and C 1-4 alkyl-S—C 1-4 alkyl; n is 1, and m is 0, wherein * represents a chiral centre; aryl is phenyl, naphthyl, anthracyl or phenanthryl; and het is an aromatic or non-aromatic 4-, 5- or 6-membered heterocycle which contains at least one N, O or S heteroatom, optionally fused to a 5- or 6-membered carbocyclic group or a second 4-, 5- or 6-membered heterocycle which contains at least one N, O or S heteroatom.