Patent ID: 7205417

Claim:
A compound of the formula (I-d): wherein A is a group selected from formula (A′-1): which is optionally substituted by a substituent selected from the group consisting of oxo, amino, lower alkylamino, di-lower alkylamino, hydroxy, lower alkoxy, lower alkoxycarbonyl, lower alkylene, aryl, heteroaryl and —R a ; Ar 1 is aryl which is optionally substituted by a substituent selected from the group consisting of halogen, nitro, oxo, lower alkyl, halo-lower alkyl, hydroxy-lower alkyl, cyclo-lower alkyl, lower alkenyl, lower alkoxy, halo-lower alkoxy, lower alkylamino, di-lower alkylamino, lower alkylthio, carboxyl, lower alkanoyl and lower alkoxycarbonyl; R a is lower alkyl which is optionally substituted by a substituent selected from the group consisting of amino, lower alkylamino, di-lower alkylamino and hydroxy, and cyclo-lower alkyl, aryl and heteroaryl, the last three groups being optionally substituted by fluorine; R 0 is hydrogen; T, U, V and W are independently methine or nitrogen atom, said methine being optionally substituted by a substituent selected from the group consisting of halogen, lower alkyl, hydroxy and lower alkoxy, and at least two of T, U, V and W are said methine group, or a salt or ester of a carboxyl group thereof when the compound has carboxyl group.