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

(2R,3S,4S)-3-benzyloxy-4-benzyloxymethyl-2-formyl-4-hydroxytetrahydrofuran

methyl 3,5-di-O-benzyl-4-C-methylsulfonyloxymethyl-α,β-D-ribofuranoside

(1S,3RS,4R,7S)-7-benzyloxy-1-benzyloxymethyl-3-methoxy-2,5-dioxabicyclo[2.2.1]heptane

(2S,3S,4S)-3-benzyloxy-4-benzyloxymethyl-2-hydroxymethyl-4-hydroxytetrahydrofuran