Patent ID: 8461182

Claim:
A compound represented by formula (I), a pharmaceutically acceptable salt or a hydrate thereof: wherein, in the formula (I) R is a hydrogen atom or a C 1-6 alkyl group; A 1 , A 2 and A 3 , which may be the same or different, are each a hydrogen atom, a halogen atom, a C 1-6 alkyl group or a C 1-6 alkoxy group; X is a C 1-6 alkylene group; Y is a bond or a C 1-6 alkylene group; Z is a bond or a C 1-6 alkylene group, wherein the C 1-6 alkylene group may be substituted with an aryl group; W is a bond or an oxygen atom; and Cy is a phenyl group or a pyridyl group, wherein the phenyl group or the pyridyl group may have one to three substituents, which may be the same or different, selected from the group consisting of a halogen atom, a cyano group, a C 1-6 alkyl group, a C 1-6 alkoxy group, wherein the C 1-6 alkyl group or the C 1-6 alkoxy group may be substituted with one to three halogen atoms, and a C 2-6 alkanoyl group.