Compounds of general formula I: ** Formula ** in which: R 1 represents a phenyl group, which is optionally substituted by one or more substituents selected 5 s independently from the group consisting of methyl, ethyl, F, Cl, Br and CF 3, R2 represents a phenyl group, which is optionally substituted by one or more substituents independently selected from the group consisting of methyl, ethyl, F, Cl, Br and CF3, R3 represents a pyrrolidinyl group, a piperidinyl group or a piperazinyl group, by which each of these groups may be substituted by one or more (C1-C6) alkyl groups, or R3 represents a moiety -NR4R5-, one of the residues R4 and R5 represents a hydrogen atom and the other of these residues R4 and R5 represents an optionally at least mono-substituted pyrrolidinyl group； an optionally at least mono-substituted piperidinyl group； an optionally at least mono-substituted piperazinyl group； an optionally at least mono-substituted triazolyl group； a residue -SO2R6-； a moiety -NR7R8-, or R4 and R5, the same or different, represent a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a sec-butyl group or a tert-group butyl, R6 represents a (C1-C6) alkyl group； an optionally saturated at least mono-substituted cycloaliphatic group that may be condensed with a mono- or polycyclic ring system； or a phenyl group, which is optionally substituted with one or more (C1-C6) and R7 and R8 alkyl groups, the same or different, represent a hydrogen atom or (C1-C6) alkyl radical, optionally, in the form of an N - corresponding oxide thereof, or one of its salts or one of its corresponding solvates.Compuestos de fórmula general I: **Fórmula** en la que: R1 representa un grupo fenilo, que está opcionalmente sustituido por uno o más sustituyentes seleccionado5 s independientemente del grupo que consiste en metilo, etilo, F, Cl, Br y CF3, R2 representa un grupo fenilo, que está opcionalmente sustituido por uno o más sustituyentes seleccionados independ
