4-Amino-1-((2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one

1-((2S,3S,4R,5S)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione

9-((2S,3S,4R,5S)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-purin-6(9H)-one

N-[9-[(2R,3R,4S,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,4-dihydroxyoxolan-2-yl]-6-oxo-1H-purin-2-yl]-2-methylpropanamide

2-(Trimethylsilyl)ethyl 2-((4,6-dimethoxypyrimidin-2-yl)oxy)-6-morpholinobenzoate