1-[(2,4'-anhydro)-3'-deoxy-1',6'-di-O-(4,4'-dimethoxytrityl)-β-D-psicofuranosyl]uracil

1-[(2S,3aS,9aR)-2-(1-Hydroxy-2,2-dimethyl-propyl)-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-1H-pyrimidine-2,4-dione

(1S,3R,4S)-3-(4,4'-Dimethoxytrityloxymethyl)-1-(uracil-1-yl)-2,5-dioxabicyclo[2.2.1]heptane

(1S,3R,4S)-3-Hydroxymethyl-1-(uracil-1-yl)-2,5-dioxabicyclo[2.2.1]heptane

1-[3'-Deoxy-6'-O-(4,4'-dimethoxytrityl)-1'-O-(p-tolylsulfonyl)-β-D-psicofuranosyl]uracil