(1′R,4′R,6′R,7′S)-6′-(6-Amino-9H-purin-9-yl)-7′-hydroxyspiro[cyclopropane-1,3′-[2,5]dioxabicyclo[2.2.1]heptane]-4′-methanol

9-[(1′R,4′R,6′R,7′S)-7′-(Phenylmethoxy)-4′-[(phenylmethoxy)methyl]spiro[cyclopropane-1,3′-[2,5]dioxabicyclo[2.2.1]heptan]-6′-yl]-9H-purin-6-amine

Adenosine, N-benzoyl-4′-C-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]cyclopropyl]-3′,5′-bis-O-(phenylmethyl)-, 2′-(1,1,1-trifluoromethanesulfonate), (2′ξ)-

N-Benzoyl-2′-deoxy-4′-C-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]cyclopropyl]-2′-oxo-3′,5′-bis-O-(phenylmethyl)adenosine

N-Benzoyl-4′-C-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]cyclopropyl]-3′,5′-bis-O-(phenylmethyl)adenosine

Adenosine, N-benzoyl-4′-C-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]cyclopropyl]-3′,5′-bis-O-(phenylmethyl)-, 2′-acetate

(1′R,4′R,6′R,7′S)-6′-[4-(Benzoylamino)-5-methyl-2-oxo-1(2H)-pyrimidinyl]-4′-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]spiro[cyclopropane-1,3′-[2,5]dioxabicyclo[2.2.1]hept]-7′-yl 2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite

N-[1-[(1′R,4′R,6′R,7′S)-4′-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7′-hydroxyspiro[cyclopropane-1,3′-[2,5]dioxabicyclo[2.2.1]heptan]-6′-yl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

N-[1-[(1′R,4′R,6′R,7′S)-4′-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7′-[(triethylsilyl)oxy]spiro[cyclopropane-1,3′-[2,5]dioxabicyclo[2.2.1]heptan]-6′-yl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

4-Amino-1-[(1′R,4′R,6′R,7′S)-4′-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7′-[(triethylsilyl)oxy]spiro[cyclopropane-1,3′-[2,5]dioxabicyclo[2.2.1]heptan]-6′-yl]-5-methyl-2(1H)-pyrimidinone

1-[(1′R,4′R,6′R,7′S)-4′-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7′-[(triethylsilyl)oxy]spiro[cyclopropane-1,3′-[2,5]dioxabicyclo[2.2.1]heptan]-6′-yl]-5-methyl-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

1-[(1′R,4′R,6′R,7′S)-4′-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7′-[(triethylsilyl)oxy]spiro[cyclopropane-1,3′-[2,5]dioxabicyclo[2.2.1]heptan]-6′-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one, 2,3,3a,9a-tetrahydro-2-(1-hydroxycyclopropyl)-7-methyl-3-(phenylmethoxy)-2-[(phenylmethoxy)methyl]-, (2R,3S,9aR)-

N-[1-[2,3-Di-O-acetyl-7-O-(N-acetyl-4,7,8,9-tetra-O-acetyl-1-methyl-β-neuraminosyl)-5,6-dideoxy-β-D-ribo-heptofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide