(2S,3S,4R)-4-acetoxymethyl-3,4-dihydroxy-2-(thymin-1-ylmethyl)tetrahydrofuran

(1R,3S,4R,7S)-7-(tert-butyldimethylsilyl)oxy-1-(4,4'-dimethoxytrityl)oxymethyl-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]heptane

(2S,3S,4S)-4-acetoxy-3-benzyloxy-4-benzyloxymethyl-2-((p-toluenesulfonyl)oxymethyl)tetrahydrofuran

(2S,3S,4R)-3,4-dihydroxy-4-(4,4'-dimethoxytrityl)oxymethyl-2-((thymin-1-yl)methyl)tetrahydrofuran

Acetic acid (2S,3R,4S,5S)-4-benzyloxy-5-benzyloxymethyl-5-methanesulfonyloxymethyl-2-phenylsulfanyl-tetrahydro-furan-3-yl ester