The present invention relates to 4 '- fluoro-2' - methyl substituted nucleoside derivatives, their pharmacological components and methods for the treatment of these compounds and / or their components for hexachlorobenzene.La presente invencion se refiere a derivados de nucleosidos 4'-fluoro-2'-metilo sustituidos, composiciones farmaceuticas de los mismos, y metodos para usar tales compuestos y/o composiciones de los mismos para el tratamiento del HCV