The present Invention relates to salts of hydrochloride, hydrobromide Maleto or hydrochloric acid, and maleic hidrobromico (3 - [[3 - (6 - amino - 2 - oxo - Butoxy - 8 - 7.8 - dihydro - 9h purin - 9 - il) propyl] - (3) - (4 - ilpropil) amino] methyl] phenyl) Methyl acetate Pharmaceutical compositions containing them And their use in therapy.LA PRESENTE INVENCION SE RELACIONA CON SALES DE CLORHIDRATO, BROMHIDRATO O MALETO ACIDO HIDROCLORICO, HIDROBROMICO Y MALEICO DE (3-{[[3-(6-amino-2-butoxi-8-oxo-7,8-dihidro-9h-purin-9-il)propil)](3-morfolin-4-ilpropil)amino]metil}fenil)acetato de metilo COMPOSICIONES FARMACEUTICAS QUE LAS CONTIENEN Y SU USO EN TERAPIA.