MODIFIED FLUORINATED NUCLEOSIDE ANALOGUES

摘要

The invention is a compound, composition, use for and a method of treating Flaviviridae (Hepacivirus, Flavirius, Pestivirus) infections, including BVDV and HCV, or abnormal cellular proliferation, including malignant tumors, in a host including animals, and especially humans, using a ß-D or ß-L nucleoside of general formula (1) - (XX), or their pharmaceutically acceptable salt or prodrug thereof.