(2R,3R)-3-hydroxy-2-dimethoxymethyltetrahydrofuran

1-((3S,4R,5R)-5-Dimethoxymethyl-4-hydroxy-tetrahydro-furan-3-yl)-5-methyl-1H-pyrimidine-2,4-dione

3'-(S)-(uracil-1-yl)-4'-(R)-hydroxy-5'-(S)-hydroxymethyl-tetrahydrofuran

1,4-anhydro-2-deoxy-2-(thymin-1-yl)-L-arabinitol

(2R,3R,4S)-4-(6-Amino-purin-9-yl)-2-dimethoxymethyl-tetrahydro-furan-3-ol