Compounds corresponding to the general formula (I)in which R2 represents a group C1-10-alkyl, C3-10-cycloalkyl, C3-7-cycloalkyl-C1-6-alkyl, C1-6-alkyl-C3-7-cycloalkyl, C3-7-cycloalkyl-C3-7-cycloalkyl, C1-6-alkylthio-C-1-10-alkyl, C1-6-alkoxy-C1-10-alkyl, hydroxy-C1-10-alkyl, hydroxy-C1-6-alkyl-C3-7-cycloalkyl-C1-6-alkyl, hydroxy-C3-10-cycloalkyl, C1-10-fluoroalkyl or C3-10-fluorocycloalkyl; an optionally substituted heterocyclic group; a group C1-10-alkyl substituted with an optionally substituted heterocyclic group; X6 represents a group chosen from hydrogen, fluorine, chlorine and bromine atoms or a group C1-6-alkyl, C3-7-cycloalkyl, C3-7-cycloalkyl-C1-6-alkyi, C1-6-fluoroalkyl or cyano; and R7 represents an aryl group such as phenyl or naphthyl, optionally substituted with one or more substituents, in the form of the base or of an acid-addition salt. Therapeutic use.本發明係關於對應於通式(I)之化合物其中R2代表基團C1-10-烷基、C3-10-環烷基、C3-7-環烷基-C1-6-烷基、C1-6-烷基-C3-7-環烷基、C3-7-環烷基-C3-7-環烷基、C1-6-烷硫基-C-1-10-烷基、C1-6-烷氧基-C1-10-烷基、羥基-C1-10-烷基、羥基-C1-6-烷基-C3-7-環烷基-C1-6-烷基、羥基-C3-10-環烷基、C1-10-氟烷基或C3-10-氟環烷基;視情況經取代之雜環基;經視情況經取代之雜環基取代之基團C1-10-烷基;X6代表選自氫、氟、氯及溴原子之基團或基團C1-6-烷基、C3-7-環烷基、C3-7-環烷基-C1-6-烷基、C1-6-氟烷基或氰基;且R7代表視情況經一或多個取代基取代之芳基,例如苯基或萘基,其呈鹼或酸加成鹽形式。本發明亦係關於治療用途。