Compound of the following formula (Ib): wherein: - A, B, E, Y and Z represent a carbon atom, - n is equal to 1, - X represents a nitrogen atom; - R 4, R 5, R 6 and R 7 represent, independently of each other: - a hydrogen atom; - a halogen atom; - a hydroxyl group; - an alkyl group with C 1 to C 6; - an alkenyl group with C 2 to C 4; - an alkynyl group with C 2 to C 4; - an alkoxy group with C 1 to C 6; or - an -NR'R" group with R' and R" representing, independently of each other, a hydrogen or an alkyl group with C 1 to C 6; - the dotted bond is present; - R 2 represents: - a hydrogen atom; - a halogen atom; - a hydroxyl group; - a cyano group; - a -COYR' group with Y designating O or N and R' designating H or an alkyl group with C 1 to C 6, an alkenyl group with C 2 to C 4, an alkynyl group with C 2 to C 4; - an -SO 2 NR'R" group where R' and R", each designating, independently of each other, H or an alkyl group with C 1 to C 6, an alkenyl group C 2 to C 4, an alkynyl group C 2 to C 4; - an -NHSO 2 R' group with R' designating an alkyl group with C 1 to C 6, an alkenyl group with C 2 to C 4, an alkynyl group with C 2 to C 4, an aryl group, a heteroaryl group; - an alkyl group with C 1 to C 6; - an alkenyl group with C 2 to C 4; - an alkynyl group with C 2 to C 4; - an alkoxy group with C 1 to C 6; or - an -NR'R" group with R' and R" representing, independently of each other, a hydrogen or an alkyl group; - Z 1 and Z 2 represent, independently of each other, a hydrogen atom, a halogen atom or a methyl group; - (Het)Aryl represents an aryl or heteroaryl group, said heteroaryl being chosen from the indolyl, benzothiophenyl and benzofuranyl groups, said aryl or heteroaryl may be substituted by one or more substituents chosen from a halogen atom, a hydroxyl group, -OMe, -SMe, -OCX 3 with X designating a halogen atom, -NH 2, with R designating an alkyl group with C 1 to C 6, with m designating 1 or 2, with m designating 1 or 2 or as well as the pharmaceutically acceptable salts thereof, the stereoisomers thereof and the prodrugs thereof resulting from the acylation or phosphorylation of a hydroxy or amino group. - A, B, E, Y and Z represent a carbon atom, - n is equal to 1, - X represents a nitrogen atom; - R 4, R 5, R 6 and R 7 represent, independently of each other: - a hydrogen atom; - a halogen atom; - a hydroxyl group; - an alkyl group with C 1 to C 6; - an alkenyl group with C 2 to C 4; - an alkynyl group with C 2 to C 4; - an alkoxy group with C 1 to C 6; or - an -NR'R" group with R' and R" representing, independently of each other, a hydrogen or an alkyl group with C 1 to C 6; - a hydrogen atom; - a halogen atom; - a hydroxyl group; - an alkyl group with C 1 to C 6; - an alkenyl group with C 2 to C 4; - an alkynyl group with C 2 to C 4; - an alkoxy group with C 1 to C 6; or - an -NR'R" group with R' and R" representing, independently of each other, a hydrogen or an alkyl group with C 1 to C 6; - the dotted bond is present; - R 2 represents: - a hydrogen atom; - a halogen atom; - a hydroxyl group; - a cyano group; - a -COYR' group with Y designating O or N and R' designating H or an alkyl group with C 1 to C 6, an alkenyl group with C 2 to C 4, an alkynyl group with C 2 to C 4; - an -SO 2 NR'R" group where R' and R", each designating, independently of each other, H or an alkyl group with C 1 to C 6, an alkenyl group C 2 to C 4, an alkynyl group C 2 to C 4; - an -NHSO 2 R' group with R' designating an alkyl group with C 1 to C 6, an alkenyl group with C 2 to C 4, an alkynyl group with C 2 to C 4, an aryl group, a heteroaryl group; - an alkyl group with C 1 to C 6; - an alkenyl group with C 2 to C 4; - an alkynyl group with C 2 to C 4; - an alkoxy group with C 1 to C 6; or - an -NR'R" group with R' and R" representing, independently of each other, a hydrogen or an alkyl group; - a hydrogen atom; - a halogen atom; - a hydroxyl group; - a cyano group; - a -COYR' group with Y designating O or N and R' designating H or an alkyl group with C 1 to C 6, an alkenyl group with C 2 to C 4, an alkynyl group with C 2 to C 4; - an -SO 2 NR'R" group where R' and R", each designating, independently of each other, H or an alkyl group with C 1 to C 6, an alkenyl group C 2 to C 4, an alkynyl group C 2 to C 4; - an -NHSO 2 R' group with R' designating an alkyl group with C 1 to C 6, an alkenyl group with C 2 to C 4, an alkynyl group with C 2 to C 4, an aryl group, a heteroaryl group; - an alkyl group with C 1 to C 6; - an alkenyl group with C 2 to C 4; - an alkynyl group with C 2 to C 4; - an alkoxy group with C 1 to C 6; or - an -NR'R" group with R' and R" representing, independently of each other, a hydrogen or an alkyl group; - Z 1 and Z 2 represent, independently of each other, a hydrogen atom, a halogen atom or a methyl group; - (Het)Aryl represents an aryl or heteroaryl group, said heteroaryl being chosen from the indolyl, benzothiophenyl and benzofuranyl groups, said aryl or heteroaryl may be substituted by one or more substituents chosen from a halogen atom, a hydroxyl group, -OMe, -SMe, -OCX 3 with X designating a halogen atom, -NH 2, with R designating an alkyl group with C 1 to C 6, with m designating 1 or 2, with m designating 1 or 2 or