6-(1-Cyclopropylhydrazinyl)-9-[3,5-O-[[2-[(2,2-dimethyl-1-oxobutyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-9H-purin-2-amine

9-[3,5-O-[[2-[(2,2-Dimethyl-1-oxobutyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-6-(1-ethylhydrazinyl)-9H-purin-2-amine

9-[3,5-O-[[2-[(2,2-Dimethyl-1-oxobutyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-6-(1-methylhydrazinyl)-9H-purin-2-amine

Methanesulfonic acid 2-[2-amino-9-[3,5-O-[[2-[(2,2-dimethyl-1-oxobutyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-9H-purin-6-yl]-2-cyclopropylhydrazide

Methanesulfonic acid 2-[2-amino-9-[3,5-O-[[2-[(2,2-dimethyl-1-oxobutyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-9H-purin-6-yl]-2-ethylhydrazide

Guanosine, 2′-C-methyl-, 2-(methylsulfonyl)hydrazone, cyclic 3′,5′-[2-[(2,2-dimethyl-1-oxobutyl)thio]ethyl phosphate]

Methanesulfonic acid 2-[2-amino-9-[3,5-O-[[2-[(2,2-dimethyl-1-oxobutyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-9H-purin-6-yl]-2-methylhydrazide

7-[3,5-O-[[2-[(2,2-Dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-4-(1-ethylhydrazinyl)-7H-pyrrolo[2,3-d]pyrimidine

7-[3,5-O-[[2-[(2,2-Dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-4-(1-methylhydrazinyl)-7H-pyrrolo[2,3-d]pyrimidine

Methanesulfonic acid 2-cyclopropyl-2-[7-[3,5-O-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]hydrazide

Methanesulfonic acid 2-[7-[3,5-O-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-2-ethylhydrazide

Methanesulfonic acid 2-[7-[3,5-O-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]hydrazide

Methanesulfonic acid 2-[7-[3,5-O-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-2-methylhydrazide

7-[3,5-O-[[2-[(2,2-Dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-5-fluoro-7H-pyrrolo[2,3-d]pyrimidin-4-amine

7-[3,5-O-[[2-[(2,2-Dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

4-Amino-7-[3,5-O-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

7-[3,5-O-[[2-[(2,2-Dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-4-(1-ethylhydrazinyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine

7-[3,5-O-[[2-[(2,2-Dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-4-(1-methylhydrazinyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine

Methanesulfonic acid 2-[2-amino-7-[3,5-O-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-2-cyclopropylhydrazide

Methanesulfonic acid 2-[2-amino-7-[3,5-O-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinylidene]-2-C-methyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-2-ethylhydrazide