Patent ID: 8420651

Claim:
A compound corresponding to formula (I): in which: X represents a divalent (C 2 -C 5 )alkylene radical which is unsubstituted or substituted one or more times by an Alk group; R 1 represents: a phenyl which is substituted one or more times by substituents chosen independently from a halogen atom, an Alk group, an OAlk group, a cyano or an —NHSO 2 Alk group; a naphthyl which is unsubstituted or substituted one or more times by substituents chosen independently from a halogen atom, an Alk group or an OAlk group; a pyridyl which is unsubstituted or substituted one or more times by substituents chosen independently from a halogen atom, an Alk group or an OAlk group; a 1-benzothienyl which is unsubstituted or substituted one or more times by substituents chosen independently from a halogen atom, an Alk group or an OAlk group; a 1,3-benzodioxolyl which is unsubstituted or substituted one or more times by substituents chosen independently from a halogen atom, an Alk group or an OAlk group; R 2 represents a hydrogen atom, a halogen atom, an Alk group, an OAlk group or also a group chosen from —S-Alk, —SO-Alk, —SO 2 -Alk, —CO—N(R 4 )-Alk, —N(R 4 )SO 2 -Alk, —N(R 4 )CO-Alk or —N(R 4 )SO 2 —N(Alk) 2 ; R 3 represents a hydrogen atom, a halogen atom, an Alk group or an OAlk group; R 4 represents a hydrogen atom or a (C 1 -C 4 )alkyl; Alk represents a (C 1 -C 4 )alkyl which is unsubstituted or substituted one or more times by a fluorine atom; in the form of the base or of an addition salt with an acid.