Patent ID: 8148364

Claim:
A compound of formula (I) or a salt thereof: wherein: Y represents two hydrogen atoms, a sulfur atom, an oxygen atom or a C 1-2 alkyl group and a hydrogen atom; Z represents a bond, an oxygen atom, a nitrogen atom substituted by a hydrogen atom or a C 1-3 alkyl group, a sulfur atom, a methylene group optionally substituted by one or two groups chosen from a C 1-6 alkyl group, a hydroxyl group, a C 1-6 alkoxy group, a C 1-2 perhalogenated alkyl group or an amino group; R1 represents a 2, 3 or 4-pyridine ring or a 2, 4 or 5-pyrimidine ring, the ring being optionally substituted by a C 1-6 alkyl group, a C 1-6 alkoxy group or a halogen atom; R2 represents a benzene ring or a naphthalene ring; the rings being optionally substituted by 1 to 4 substituents selected from a C 1-6 alkyl group, C 3-7 cycloalkyl group, a C 3-7 cycloalkyl-C 1-6 alkyl group, a halogen atom, a C 1-2 perhalogenated alkyl group, a C 1-3 halogenated alkyl group, a hydroxyl group, a C 1-6 alkoxy group optionally substituted by a C 3-5 cycloalkyl group, a C 1-2 perhalogenated alkoxy group, a C 1-6 alkylsulfonyl group, a nitro, a cyano, an amino, a C 1-6 monoalkylamino group, a C 2-12 dialkylamino group, an acetoxy group or an aminosulfonyl group; R3 represents a hydrogen atom, a C 1-6 alkyl group or a halogen atom; R4 represents a hydrogen atom or a C 1-6 alkyl group; R5 represents a hydrogen atom, a C 1-6 alkyl group optionally substituted by 1 to 4 substituents selected from a halogen atom, a phenyl group, a hydroxyl group or a C 1-6 alkoxy group; R6 represents a hydrogen atom, a C 1-6 alkyl group or a halogen atom; R7 represents a hydrogen atom or a C 1-6 alkyl group; and n represents 0 to 3; m represents 0 to 1; o represents 0 to 2.