Patent ID: 7345036

Claim:
A pharmaceutical composition, comprising: a compound of Formula I wherein R 1 , R 2 and R 3 are independently H or (C 1-4 )alkyl; Ar represents a fused thiophene or pyridine ring optionally substituted with one or more substituents selected from (C 1-4 )alkyl, (C 1-4 )alkyloxy, (C 1-4 )alkyloxy(C 1-4 )alkyl, CF 3 , halogen, nitro, cyano, NR 4 R 5 , NR 4 COR 6 , and CONR 4 R 5 ; R 4 and R 5 are independently H or (C 1-4 )alkyl; or R 4 and R 5 form together with the nitrogen atom to which they are bound a 5- or 6-membered saturated heterocyclic ring, optionally containing a further heteroatom selected from O, S or NR 6 ; R 6 is (C 1-4 )alkyl; A represents a C 2-5 alkylene wherein a carbon atom may be replaced by an oxygen atom, the ring being optionally substituted with 1-3 substituents selected from (C 1-4 )alkyl, (C 1-4 ) alkyloxy, hydroxy, halogen and oxo; or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.