(S)-N-(1-((2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)pyrrolidine-2-carboxamide 2,2,2-trifluoroacetate

(2R,3R,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-4,4-difluoro-2-(hydroxymethyl)tetrahydrofuran-3-yl benzoate hydrochloride

(2R,3R,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-4,4-difluoro-2-(hydroxymethyl)tetrahydrofuran-3-yl benzoate hydrochloride

1-methylsulfonyl-2-deoxy-2,2-difluoro-3,5-di-O-(triisopropylsilyl)-D-ribofuranose

2-deoxy-2,2-difluoro-3,5-di-O-(triisopropylsilyl)-γ-D-ribonolactone