5-Amino-3,6-dihydro-3-[5-O-[[[hydroxy(phosphonooxy)phosphinyl]oxy]mercaptophosphinyl]-β-D-ribofuranosyl]-7H-1,2,3-triazolo[4,5-d]pyrimidin-7-one

3-[5-O-[[[Hydroxy(phosphonooxy)phosphinyl]oxy]mercaptophosphinyl]-β-D-ribofuranosyl]-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1S,3S,3aS)-3-[[[bis(phenylmethyl)amino]sulfonyl]methyl]tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-2′-deoxy-2′-fluoro-

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1R,3R,3aS)-3-[(2-chloro-4-cyanophenyl)methyl]tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-2′-deoxy-2′-fluoro-

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1R,3R,3aR)-3-[[(4-cyanophenyl)sulfonyl]methyl]tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-2′-deoxy-2′-fluoro-

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-3′-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylthio)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-N-(2-methyl-1-oxopropyl)-3′-O-[(1S,3S,3aS)-tetrahydro-3-[(phenylthio)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1R,3R,3aR)-3-[[(1,1-dimethylethyl)sulfonyl]methyl]tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-2′-fluoro-