(2R,3R,3aS,9aR)-3a,9a-Dihydro-3-hydroxy-2-(hydroxymethyl)-8-phenyl-2H,3H,6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

(2R,3R,3aS,9aR)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,3,3a,9a-tetrahydro-8-phenyl-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

(2R,3R,3aS,9aR)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-3a,9a-dihydro-8-iodo-2H,3H,6H-furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-6-one

2′-Guanylic acid, N-benzoyl-P-(2-cyanoethyl)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]adenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, cyclic nucleotide

Adenosine, P-(2-cyanoethyl)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)guanylyl-(2′→5′)-N-benzoyl-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(hydrogen phosphonate)

3H-Imidazo[2,1-i]purine, 3-[2-deoxy-2-fluoro-3,5-bis-O-[(R)-hydroxymercaptophosphinyl]-β-D-ribofuranosyl]-, cyclic diester with (1S,2R,3R)-3-(6-chloro-9H-purin-9-yl)-1,2-cyclobutanedimethanol

9H-Purin-9-amine, 3-[2-deoxy-2-fluoro-3,5-bis-O-(hydroxymercaptophosphinyl)-β-D-arabinofuranosyl]-, cyclic diester with 4-[(1R,2S,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-2-pyridinecarboxamide

Adenosine, 3′-[[N-(N-acetylglycyl)-O-methyl-L-tyrosyl]amino]-3′-deoxy-N,N-dimethyl-