Derivados de pirimidina para o tratamento da asma, copd, rinite alérgica, conjuntivite alérgica, dermatite atópica, câncer, hepatite b, hepatite c, hiv, hpv, infecções bacterianas e dermatose

摘要

The present invention provides compounds of formula (I) wherein R1, R2, R3 and R4 are as defined in the specification, and pharmaceutically acceptable salts thereof, as well as processes for their preparation, pharmaceutical compositions containing them and their use in therapy.