Patent ID: 8017611

Claim:
A compound of Formula I wherein: W is N; n is O J is O; each of G 1 , G 2 , G 3 and G 4 is CH or N provided that not more than two of G 1 , G 2 , G 3 and G 4 represent N; Ring A is phenyl substituted by R 1 ; R 1 is a group of the formula Q 1 -X 2 —; wherein X 2 is a direct bond or is selected from O, SO, SO 2 , N(R 7 ), N[C(O)R 7 ], N[C(O)N(R 7 ) 2 ], N[C(O)OR 7 ], N[SO 2 —N(R 7 ) 2 ], CO, CON(R 7 ), N(R 7 )CO, SO 2 N(R 7 ), N(R 7 )SO 2 , O—SO 2 , SO 2 —O, C(R 7 ) 2 O, OC(R 7 ) 2 , C(R 7 ) 2 , C(R 7 ) 2 N(R 7 ) and N(R 7 )C(R 7 ) 2 , wherein each R 7 is independently hydrogen or (1-8C)alkyl; and Q 1 is heterocyclyl, or heterocyclyl-(1-3C)alkyl, wherein said heterocyclyl or the heterocyclyl within the heterocyclyl-(1-3C)alkyl group is piperazinyl; and R 3 is hydrogen; or a pharmaceutically acceptable salt thereof.