Patent ID: 8729095

Claim:
A compound of formula (I): wherein, R 1 represents a halogen atom, a cyano group, an amino group, a C 1-4 alkyl group, a halogenated C 1-4 alkyl group or a C 1-4 alkoxy group, R 2 represents a hydrogen atom, a halogen atom, a cyano group, or a C 1-4 alkyl group, R 3 and R 4 , each independently, represent a hydrogen atom, a C 1-4 alkyl group, a halogenated C 1-4 alkyl group, a C1-4 alkoxy C 1-4 alkyl group, or a hydroxy C 1-4 alkyl group, R 5 represents a hydrogen atom, a halogen atom, a hydroxy group, a nitro group, a C 1-4 alkyl group, or an amino group, R 6 represents a hydrogen atom, a halogen atom, or a C 1-4 alkyl group, R 7 and R 8 , each independently, represent a hydrogen atom, a halogen atom, or a C 1-4 alkyl group, R 9 and R 10 , each independently, represent a hydrogen atom, or a C 1-4 alkyl group, R 11 and R 12 , each independently, represent a hydrogen atom, or a C 1-4 alkyl group, or R 11 and R 12 , together with the carbon atom to which they are attached, represent a group forming C 3-5 cycloalkyl, X represents a group represented by —CH(Rc)—, Rc represents a hydrogen atom, or a hydroxy group, Y represents a nitrogen atom, or a group represented by ═C(Ra)—, Ra represents a hydrogen atom, a halogen atom, or a C 1-4 alkyl group, and Z represents a nitrogen atom, or a pharmacologically acceptable salt thereof.