2-amino-5-[[3,5-O-(tetraisopropyldisiloxan-1,3-diyl)-1,2-dideoxy-β-D-ribofuranos-1-yl]methyl]thiophene-3-carboxamide

6-[(1,2-dideoxy-β-D-ribofuranos-1-yl)methyl]thieno[2,3-d]pyrimidin-4(3H)-one

4-[2-[3,5-O-(tetraisopropyldisiloxan-1,3-diyl)-1,2-dideoxy-β-D-ribofuranos-1-yl]ethyl]-2-methylthiopyrimidine

4-[2-[3,5-O-(tetraisopropyldisiloxan-1,3-diyl)-1,2-dideoxy-β-D-ribofuranos-1-yl]ethyl]-2-methyl-6-phenylpyrimidine

4-[2-(1,2-dideoxy-β-D-ribofuranos-1-yl)ethyl]-2-methylthiopyrimidine