The present invention relates to immune response modifiers of formula (I), which act selectively through agonism, of Toll-Like Receptors (TLRs), uses thereof, processes for the preparation thereof, intermediates used in the preparation thereof and compositions containing said inhibitors. These inhibitors have utility in a variety of therapeutic areas including the treatment of infectious disease such as Hepatitis (e.g. HCV, HBV), genetically related viral infection and cancer.