N-[9-[(2R,3aR,4R,6R,6aS)-6-(Acetyloxy)-4-[[(1,1-dimethylethyl)diphenylsilyl]oxy]hexahydro-2H-cyclopenta[b]furan-2-yl]-9H-purin-6-yl]benzamide

N-[9-[(2S,3aR,4R,6R,6aS)-6-(Acetyloxy)-4-[[(1,1-dimethylethyl)diphenylsilyl]oxy]hexahydro-2H-cyclopenta[b]furan-2-yl]-9H-purin-6-yl]benzamide

(2R,3aR,4R,6R,6aS)-2-[4-(Benzoylamino)-5-methyl-2-oxo-1(2H)-pyrimidinyl]-6-[bis(4-methoxyphenyl)phenylmethoxy]hexahydro-2H-cyclopenta[b]furan-4-yl 2-cyanoethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite

(2R,3aR,4R,6R,6aS)-2-[4-(Benzoylamino)-5-methyl-2-oxo-1(2H)-pyrimidinyl]-6-[bis(4-methoxyphenyl)phenylmethoxy]hexahydro-2H-cyclopenta[b]furan-4-yl 2-cyanoethyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite

(2R,3aR,4R,6R,6aS)-6-[Bis(4-methoxyphenyl)phenylmethoxy]-2-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)hexahydro-2H-cyclopenta[b]furan-4-yl 2-cyanoethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite

(2R,3aR,4R,6R,6aS)-6-[Bis(4-methoxyphenyl)phenylmethoxy]-2-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)hexahydro-2H-cyclopenta[b]furan-4-yl 2-cyanoethyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite

N-[1-[(2R,3aS,4R,6R,6aS)-6-[Bis(4-methoxyphenyl)phenylmethoxy]hexahydro-4-hydroxy-2H-cyclopenta[b]furan-2-yl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

1-[(2R,3aS,4R,6R,6aS)-6-[Bis(4-methoxyphenyl)phenylmethoxy]hexahydro-4-hydroxy-2H-cyclopenta[b]furan-2-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

7-[5-O-[[(2-Aminoacetyl)amino]sulfonyl]-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-8-(diethylamino)-1H-pyrimido[5,4-b][1,4]benzothiazin-2(3H)-one

3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-8-(diethylamino)-1H-pyrimido[5,4-b][1,4]benzothiazin-2(3H)-one

3-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-8-(diethylamino)-1H-pyrimido[5,4-b][1,4]benzothiazin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-8-(diethylamino)-1H-pyrimido[5,4-b][1,4]benzothiazin-2(3H)-one

Guanosine 5′-(tetrahydrogen triphosphate), 7-[2-(4-chlorophenoxy)ethyl]-2′-C-methyl-, inner salt

Guanosine 5′-(tetrahydrogen triphosphate), 7-[2-(4-chlorophenoxy)ethyl]-2′-C-methyl-, inner salt, P′′→5′-ester with guanosine

Guanosine 5'-(tetrahydrogen triphosphate), 2'-C-methyl-, P''→5'-ester with 7-methylguanosine

6-Chloro-9-(5-deoxy-5-fluoro-β-D-ribofuranosyl)-9H-purin-2-amine

6-Chloro-9-(5-chloro-5-deoxy-β-D-ribofuranosyl)-9H-purin-2-amine