Chloro (R)-Phosphoryl Sofosbuvir can be used to synthesize nucleoside phosphoramidate compounds and 2''-chloro nucleotide analogs?that are potential treatment of?hepatitis C virus (HCV)?infection. Chloro (R)-Phosphoryl Sofosbuvir is also a phosphorus epimer of Chloro Sofosbuvir (C382095) and a related compound of Sofosbuvir (P839640).