2-(3-chloro-4-ethoxyphenyl)-5-(3-fluorobenzyl)pyrazolo[1,5-a]pyrazin-4(5H)-one

[(2R,3S,4R,5R)-5-cyano-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methyl 2-methylpropanoate

[(2R,3S,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3-methoxy-tetrahydrofuran-2-yl]methyl dihydrogen phosphate

2,6-Dimethoxy-4a(2)-methyl[1,1a(2)-biphenyl]-4-carboxylic acid

1-[(1S,3R,4R,7S)-1-(aminomethyl)-7-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,5-dioxabicyclo[2.2.1]heptan-3-yl]pyrimidine-2,4-dione

[(2R,3S,5R)-5-(6-amino-2-chloro-purin-9-yl)-3-hydroxy-tetrahydrofuran-2-yl]methyl 4-methylbenzoate

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

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