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,R7and 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.