β-L-Cytidine, β-L-guanylyl-(3′→5′)-β-L-guanylyl-(3′→5′)-β-L-guanylyl-(3′→5′)-β-L-cytidylyl-(3′→5′)-β-L-guanylyl-(3′→5′)-β-L-guanylyl-(3′→5′)-β-L-guanylyl-(3′→5′)-

6-Propyl-9-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-9H-purine

1-[(3aR,4R,6R,6aS)-3-(6-Aminohexyl)hexahydro-6-(hydroxymethyl)-2-thioxofuro[3,4-d]oxazol-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aS)-3-(4-Aminobutyl)hexahydro-6-(hydroxymethyl)-2-thioxofuro[3,4-d]oxazol-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aS)-3-(2-Aminoethyl)hexahydro-6-(hydroxymethyl)-2-thioxofuro[3,4-d]oxazol-4-yl]-2,4(1H,3H)-pyrimidinedione

Carbamic acid, N-[6-[(3aR,4R,6R,6aS)-4-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2-thioxo-6-[(triphenylmethoxy)methyl]furo[3,4-d]oxazol-3(2H)-yl]hexyl]-, 1,1-dimethylethyl ester

Carbamic acid, N-[4-[(3aR,4R,6R,6aS)-4-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2-thioxo-6-[(triphenylmethoxy)methyl]furo[3,4-d]oxazol-3(2H)-yl]butyl]-, 1,1-dimethylethyl ester