7-[2-O-Acetyl-5-O-[(4-methylphenyl)sulfonyl]-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxofuranosyl]-4-chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidine

N′-[1-[2,5-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[(S)-[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-α-L-lyxofuranosyl]-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-N,N-dimethylmethanimidamide

N′-[1-[2,5-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[(R)-[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-α-L-lyxofuranosyl]-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-N,N-dimethylmethanimidamide

N′-[1-[2,5-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-α-L-lyxofuranosyl]-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-N,N-dimethylmethanimidamide

6-Amino-1-[2,5-anhydro-4-C-(hydroxymethyl)-α-L-lyxofuranosyl]-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

6-Amino-1-[2,5-anhydro-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxofuranosyl]-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

1-[2,5-Anhydro-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxofuranosyl]-6-chloro-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

1-[2-O-Acetyl-5-O-[(4-methylphenyl)sulfonyl]-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxofuranosyl]-4,6-dichloro-1H-pyrazolo[3,4-d]pyrimidine

N-[7-[2,5-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[(S)-[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-α-L-lyxofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

N-[7-[2,5-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[(R)-[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-α-L-lyxofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

N-[7-[2,5-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-α-L-lyxofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

N-[7-[2,5-Anhydro-4-C-(hydroxymethyl)-α-L-lyxofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

N-[7-[2,5-Anhydro-4-C-(hydroxymethyl)-α-L-lyxofuranosyl]-4,7-dihydro-5-iodo-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

N-[7-[2,5-Anhydro-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxofuranosyl]-4,7-dihydro-5-iodo-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

N-[7-[2-O-Acetyl-5-O-[(4-methylphenyl)sulfonyl]-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxofuranosyl]-4-chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

β-D-Allofuranuronic acid, 1,5-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-5-[[(phenylmethoxy)carbonyl]amino]-, ethyl ester, 2,3-diacetate

β-D-Allofuranuronic acid, 5-azido-1,5-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-, ethyl ester, 2,3-diacetate

β-D-Allofuranuronic acid, 1,5-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-5-[[(phenylmethoxy)carbonyl]amino]-, ethyl ester, 2,3-diacetate

β-D-Allofuranuronic acid, 5-azido-1,5-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-, ethyl ester, 2,3-diacetate

3-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2-fluoro-β-D-arabinofuranosyl]-3H-1,2,3-triazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione