Patent ID: 6838476

Claim:
A compound of formula I: wherein: one of X or Y represents N and the other represents C; R 1 represents hydrogen, methyl, halogen, cyano, nitro, —CHO, —COCH 3 or —COOR 4 ; R 2 represents aryl unsubstituted or substituted with one or more groups independently selected from halogen, C 1-8 alkyl, C 1-8 haloalkyl, R 4 OC 0-8 alkyl, R 4 SC 0-8 alkyl, cyano, nitro, —NR 4 R 6 , —NR 4 SO 2 R 5 , —SOR 5 , —SO 2 R 5 , —SO 2 NR 4 R 6 , or —CONR 4 R 6 ; R 3 represents C 1-8 alkyl, C 1-8 haloalkyl or —NR 4 R 6 ; R 4 represents hydrogen, C 1-8 alkyl, or arylC 0-8 alkyl (where the aryl group can be unsubstituted or substituted with one or more groups selected from C 1-8 alkyl, halogen, C 1-8 haloalkyl, cyano, nitro, R 7 OC 1-8 alkyl, R 7 SC 0-8 alkyl, —NR 7 R 8 , —NR 7 COR 5 , —COR 7 or —COOR 7 ); R 5 represents C 1-8 alkyl or C 1-8 haloalkyl; R 6 represents hydrogen, C 1-8 alkyl, arylC 1-8 alkyl (where the aryl group can be unsubstituted or substituted with one or more groups selected from C 1-8 alkyl, halogen, C 1-8 haloalkyl, cyano, nitro, R 7 OC 0-8 alkyl, R 7 SC 0-8 alkyl, —NR 7 R 8 , —NR 7 COR 5 , —COR 7 or —COOR 7 ), —COR 8 or —COOR 8 ; R 7 represents hydrogen, C 1-8 alkyl or benzyl; R 8 represents C 1-8 alkyl or C 1-8 haloalkyl; aryl in the above definitions represents phenyl or naphthyl; or a salt, solvate or prodrug thereof.