Patent ID: 6884821

Claim:
A compound represented by the following formula (I), a salt thereof, an ester thereof or a hydrate thereof in the formula (I): Y represents phenyl, pyridyl, pyrimidinyl, pyrazinyl, imidazolyl, pyrazolyl, oxazolyl, isoxazolyl, thiazolyl, benzofuryl, quinolyl, isoquinolyl or cycloalkyl group, which may have one or more substituents selected from the group consisting of a halogen atom, nitrile group, alkyl group, alkoxy group, halogenoalkyl group, cycloalkyl group, cycloalkyloxy group and aryl group; L represents a single bond or a C 1-6 alkylene group, C 2-6 alkenylene group or C 2-6 alkynylene group, each of which may have one or more substituents selected from the group consisting of a halogen atom, nitrile group, alkyl group, alkoxy group, halogenoalkyl group, cycloalkyl group, cycloalkyloxy group and aryl group; X represents oxygen atom or a group represented by the formula —CONH—, —NHCO—, —SO 2 NH or —NHSO 2 —; T represents a single bond or a C 1-13 alkylene group, which may have one or more substituents selected from the group consisting of a halogen atom, nitrile group, alkyl group, alkoxy group, halogenoalkyl group, cycloalkyl group, cycloalkyloxy group and aryl group; represents a single or double bond; each of R Z1 , R Z2 , R Z3 and R Z4 is a hydrogen atom, a halogen atom, nitrile group, alkyl group, alkoxy group, halogenoalkyl group, cycloalkyl group, cycloalkyloxy group or aryl group, or R Z1 and R Z2 form a benzofuran ring together with the benzene ring bounded thereto; and V is a C 2-3 alkyl group; provided that the case where T is a single bond, then X is not an oxygen atom and when T is a single bond, then X is not —NHCO— and L is not a C 1-6 alkylene group. 2 .The compound according to claim 1 , a salt thereof, an ester thereof or a hydrate thereof, wherein in the formula (I), R Z1 is an alkoxy group, cycloalkyloxy group or aryl group.