4-C-acetoxymethyl-5-O-acetyl-3-C-allyl-3-O-benzyl-1,2-O-isopropylidene-α-D-erythro-pentofuranose

1-(4-C-acetoxymethyl-3-C-allyl-3-O-benzyl-2,5-di-O-acetyl-β-D-erythro-pentofuranosyl)thymine

1-(3-C-allyl-3-O-benzyl-4-C-tosyloxymethyl-β-D-ribofuranosyl)thymine

Toluene-4-sulfonic acid (2S,3S,4R,5R)-3-allyl-3-benzyloxy-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-methoxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester

Toluene-4-sulfonic acid (2S,3S,4R,5R)-3-benzyloxy-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3-(2-hydroxy-ethyl)-4-methoxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester