#$%^&*AU2010203305B220150205.pdf#####ABSTRACT Compounds of formula (I): R3 R R2 X R4 N RS I ( ) NH wherein: * m and n represent 1 or 2, * A represents a pyrrolyl group, * X represents a C(O), S(O) or SO 2 group, + R and R2 represent an alkyl group or, together with the nitrogen atom carrying them, form a heterocyclic group, + R3 and R4, together with the atoms carrying them, form a heterocyclic group, + R5 represents a hydrogen atom or an alkyl group, + R represents a hydrogen atom or a halogen atom. The compounds are used in pharmaceutical compositions and in the preparation of medicaments for use in the treatment of cancer.