Compounds pyrazolo 1,5-a pyrimidines for antiviral Treatment of Human respiratory syncytial virus, their compositions and Methods of production.

摘要

The Invention provides compounds of formula I or II: The Formula or its pharmaceutically acceptable salts or Esters as described herein. The compounds and compositions are used to treat Infections by viruses pneumovirinae.Compounds, compositions and Methods provided are particularly useful for the treatment of Infections of the Human respiratory syncytial virus.