1-β-D-Arabinofuranosyl-5-(trimethylstannyl)-2,4(1H,3H)-pyrimidinedione

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(methylamino)thioxomethyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite] 6-(N,N-diphenylcarbamate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(methylamino)thioxomethyl]-, 6-(N,N-diphenylcarbamate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(methylamino)carbonyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite] 6-(N,N-diphenylcarbamate)

Guanosine, N-(aminocarbonyl)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 6-(N,N-diphenylcarbamate)

Guanosine, N-(aminocarbonyl)-2′-deoxy-, 6-(N,N-diphenylcarbamate)

Guanosine, N-(aminocarbonyl)-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, 6-(N,N-diphenylcarbamate)

Guanosine, N-(aminocarbonyl)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite] 6-(N,N-diphenylcarbamate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(methylamino)carbonyl]-, 6-(N,N-diphenylcarbamate)

Guanosine, 2′-deoxy-N-[(methylamino)carbonyl]-, 6-(N,N-diphenylcarbamate)

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(methylamino)carbonyl]-, 6-(N,N-diphenylcarbamate)

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(methylamino)carbonyl]guanosine

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-methyl-β-D-ribofuranosyl]-4,5-dihydro-4-oxo-1H-imidazo[4,5-c]pyridin-6-yl]acetamide

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-methyl-β-D-ribofuranosyl]-4,5-dihydro-4-oxo-1H-imidazo[4,5-c]pyridin-6-yl]acetamide

6-Amino-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-O-methyl-β-D-ribofuranosyl]-1,5-dihydro-4H-imidazo[4,5-c]pyridin-4-one

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-methyl-β-D-ribofuranosyl]-6-[[(dimethylamino)methylene]amino]-1H-imidazo[4,5-c]pyridin-4-yl N,N-diphenylcarbamate

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]acetamide

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]acetamide

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine

N-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]acetamide