[EN] PYRROLOPYRIMIDINE DERIVATIVES USEFUL AS MODULATORS OF MULTIDRUG RESISTANCE [FR] DERIVES DE PYRROLOPYRIMIDINE POUVANT ETRE UTILISES EN TANT QUE MODULATEURS DE LA MULTIRESISTANCE AUX MEDICAMENTS
[EN] PYRROLOPYRIMIDINE DERIVATIVES USEFUL AS MODULATORS OF MULTIDRUG RESISTANCE [FR] DERIVES DE PYRROLOPYRIMIDINE POUVANT ETRE UTILISES EN TANT QUE MODULATEURS DE LA MULTIRESISTANCE AUX MEDICAMENTS