Patent ID: 8273758

Claim:
A compound of formula (I): wherein: Z represents a bond, a carbonyl group, or a methylene group optionally substituted by one or two groups chosen from a C 1-6 alkyl group, a hydroxyl group, and a C 1-6 alkoxy group; R1 represents a 4-pyridine ring or a 4-pyrimidine ring; R2 represents a hydrogen atom; R3 represents: a hydrogen atom; a phenyl or a naphthyl group, these groups being optionally substituted by 1 to 4 substituents selected from a 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, 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, an aminosulfonyl group, and a heterocyclic group, this heterocyclic group being optionally substituted by a 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, or a C 1-6 alkoxy group; or a 5, 6 or 5-6 membered heteroaromatic group, this group being optionally substituted by 1 to 4 substituents selected from a C 1-6 alkyl group, a halogen atom, a C 1-2 perhalogenated alkyl group, a C 1-6 halogenated alkyl group, a hydroxyl group, a C 1-6 alkoxy group, a C 1-6 halogenated alkoxy group, a nitro, a cyano, an amino, a C 1-6 monoalkylamino group, a C 2-12 dialkylamino group, a S—(C 1-6 -alkyl) group, a C(O)O(C 1-6 -alkyl), and a C(O)O(phenyl) group; n represents 0 to 3; and m represents 0 to 1; with the proviso that the compound of formula (I) wherein n and m represent 0, Z represents a bond, R2 and R3 represent a hydrogen atom and R1 represents a 4-pyridine ring is not included; or an acid addition salt thereof.