Patent ID: 7781479

Claim:
A compound of the formula (I): wherein Ring Z is the following formula (3): wherein the number of R 2 may be zero or one, and R 2 is a halogen atom, an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, or an optionally substituted thiol group, the number of R 3 may be zero, one or more, and R 3 is independently, a halogen atom, an optionally substituted alkyl group, an optionally substituted thiol group, a methoxy group, an ethoxy group, a 2-propoxy group, an optionally substituted amino group, hydroxy group, cyano group, nitro group, carboxyl group, an optionally substituted acyl group, an optionally substituted saturated heterocyclic group, or an optionally substituted carbamoyl group, W 4 is a single bond, Ar 2 is an optionally substituted phenyl group, W 3 is a lower alkylene group or a lower alkenylene group, Ar 1 is an optionally substituted phenylene group; W 1 and W 2 are independently an optionally substituted lower alkylene group or an optionally substituted lower alkenylene group; R 1 is a carboxyl group, an alkoxycarbonyl group, an optionally substituted carbamoyl group, an optionally substituted cyclic aminocarbonyl group, an optionally substituted alkylsulfonylcarbamoyl group, an optionally substituted arylsulfonylcarbamoyl group, or a tetrazolyl group, or a pharmaceutically acceptable salt thereof.