β-D-2'-DEOXY-2'-SUBSTITUTED-4'-SUBSTITUTED-2-SUBSTITUTED-N⁶-SUBSTITUTED-6-AMINOPURINE NUCLEOTIDES FOR THE TREATMENT OF PARAMYXOVIRUS AND ORTHOMYXOVIRUS INFECTIONS

摘要

A compound or a pharmaceutically acceptable salt or composition thereof for the treatment of a host infected with or exposed to a virus of the Paramyxoviridae or Orthomyxoviridae family, or other disorders, in particular respiratory syncytial virus, more fully described herein.