1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 2-chloro-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)benzoate

N-[1-[(2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-methoxy-tetrahydrofuran-2-yl]-5-iodo-2-oxo-pyrimidin-4-yl]acetamide

N-[8-bromo-9-[(2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-methoxy-tetrahydrofuran-2-yl]-6-oxo-1H-purin-2-yl]-2-methyl-propanamide

1-[(2R,3R,4R,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-(hydroxymethyl)-3-iodo-tetrahydrofuran-2-yl]pyrimidine-2,4-dione

4-amino-1-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]tetrahydrofuran-2-yl]-2-oxo-pyrimidine-5-carbaldehyde

1-[(6aR,8R,9R,9aS)-9-hydroxy-2,2,4,4-tetraisopropyl-6a,8,9,9a-tetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl](3(1)N)pyrimidine-2,4-dione

4-amino-1-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]tetrahydrofuran-2-yl]-2-oxo-pyrimidine-5-carboxylic acid

[[(2R,3S,5R)-5-(6-amino-2-fluoro-purin-9-yl)-3-hydroxy-tetrahydrofuran-2-yl]methoxy-hydroxy-phosphoryl] phosphono hydrogen phosphate

[(2R,3R,4R,5R)-5-(2-amino-6-chloro-purin-9-yl)-3-tert-butoxycarbonyloxy-4-fluoro-4-methyl-tetrahydrofuran-2-yl]methyl tert-butyl carbonate

9-[(6aR,8R,9R,9aS)-9-hydroxy-2,2,4,4-tetrakis(propan-2-yl)-hexahydro-2H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl]-2-amino-6,9-dihydro(1-(1)N)-1H-purin-6-one

1-[(2R,3R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-(hydroxymethyl)-3-(3-iodo-1-bicyclo[1.1.1]pentanyl)tetrahydrofuran-2-yl]pyrimidine-2,4-dione