5'-O-(4,4'-Dimethoxytrityl)-2'-deoxy-2'-fluoro-5-methyl-beta-D-arabinouridine-3'-CED-phosphoramidite

Troxacitabine

2-Deoxy-2-fluoro-D-glucose

1-(2-Deoxy-2,2-difluoro-β-D-xylofuranosyl)cytosine

N2-iBu-2',3'-bis-O-TBDMS guanosine

3',5'-Di-O-acetyluridine

D-(-)-Gulonic acid gamma-lactone

5'-O-TBDMS-dU

4'-Thiouridine

2-Aminopurine riboside

2-Cyanoethyl N,N-diisopropylchlorophosphoramidite

N-(1-((2S,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide

2'-Deoxy-α-uridine

2-Chloro-7-(2-deoxy-4-C-ethynyl-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

1-Methyl-5-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-2,4(1H,3H)-pyrimidinedione

((2R,3S,4R,5R)-5-(6-(((S)-2,3-dihydro-1H-inden-1-yl)amino)-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl sulfamate

((2R,3R,4S,5R)-3-(Benzoyloxy)-5-(6-chloro-9H-purin-9-yl)-4-fluorotetrahydrofuran-2-yl)methyl benzoate

((2R,3R,4R)-3-(benzoyloxy)-4-fluoro-4-methyl-5-oxotetrahydrofuran-2-yl)methyl benzoate

Sofosbuvir Impurity 7

((2R,3S,5R)-3-Acetoxy-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate