The present invention relates to compound (I) for use as an agent for preventing, inhibiting or treating AIDS. The present invention further relates to compounds of formula (I) wherein X is CR0 or N; R0, R1, R2, R3, R4, R7 and R8 independently represent a hydrogen atom, a halogen atom or a group chosen among a (C1-C5)alkyl group, a (C3-C6)cycloalkyl group, a (C1-C5)fluoroalkyl group, a (C1-C5)alkoxy group, a (C1-C5)fluoroalkoxy group, a -CN group, a -COORa group, a -NO2 group, a -NRaRb group, a -NRa-SO2-NRaRb group, a -NRaSO2Ra group, a -NRa-C(=0)-Ra group, a -NRa-C(=0)-NRaRb group, a -SO2-NRaRb group, a -SO3H group, a -OH group, a -O-SO2-ORc group, a -O-P(=O)-(ORc)(ORd) group, a -O-CH2-COORc group and can further be a group chosen among: (IIa), (IIIa), R5 represents a hydrogen atom, a (CrC5)alkyl group or a (C3-C6)cycloalkyl group; R10 is a hydrogen atom or a chlorine atom, and R11 is a hydrogen atom or a (C1-C4)alkyl group or anyone of its pharmaceutically acceptable salts.