Patent ID: 7217715

Claim:
A compound of formula (I) or a salt thereof: wherein: X represents two hydrogen atoms, a sulfur atom, an oxygen atom or a C 1-2 alkyl group and a hydrogen atom; Y represents a bond, a carbonyl group, a methylene group optionally substituted by one or two groups chosen from a C 1-6 alkyl group, a hydroxyl group, a C 1-4 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 rings being optionally substituted by a C 1-4 alkyl group, a C 1-4 alkoxy group, or a halogen atom; R2 represents a phenyl group or a naphthalene ring; the phenyl group and naphthalene ring being optionally substituted by 1 to 4 substituents selected from a C 1-6 alkyl group, a phenyl group, a methylenedioxy group, a halogen atom, a C 1-2 perhalogenated alkyl group, a C 1-3 halogenated alkyl group, a hydroxyl group, a C 1-4 alkoxy group, a nitro, a cyano, an amino, a C 1-5 monoalkylamino group or a C 2-10 dialkylamino group; R3 represents a hydrogen atom, or a C 1-6 alkyl group; R4 represents a C 1-2 perhalogenated alkyl group or a C 1-3 halogenated alkyl group; R5 represents a hydrogen, a C 1-6 alkyl group or a halogen atom; n represents 0 to 3; and p+q=0 to 3.