L-Phenylalanine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 3′-ester with 2′-O-[bis(2-methoxyethoxy)methyl]-N-[bis(4-methoxyphenyl)phenylmethyl]-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]adenosine

2′-O-[Bis[2-(acetyloxy)ethoxy]methyl]-N-[bis(4-methoxyphenyl)phenylmethyl]-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]cytidine

2′-O-[Bis[2-(acetyloxy)ethoxy]methyl]-N-[bis(4-methoxyphenyl)phenylmethyl]cytidine

N-[Bis(4-methoxyphenyl)phenylmethyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]cytidine

Adenosine, 2′-O-[bis(2-methoxyethoxy)methyl]-N-[bis(4-methoxyphenyl)phenylmethyl]-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-

Adenosine, 2′-O-[bis(2-methoxyethoxy)methyl]-N-[bis(4-methoxyphenyl)phenylmethyl]-

L-Alanine, N-[[P(S)]-2′-C-methyl-P-phenyl-5′-guanylyl]-, methyl ester

L-Alanine, N-(hydroxyphenoxyphosphinyl)-, methyl ester, 5′-ester with 2-amino-5-fluoro-1,7-dihydro-7-(2-C-methyl-β-D-ribofuranosyl)-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-(hydroxyphenoxyphosphinyl)-, methyl ester, 5′-ester with 5-fluoro-7-(2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

L-Alanine, N-[(R)-hydroxyphenoxyphosphinyl]-, methyl ester, 5′-ester with 7-(2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, methyl ester, 5′-ester with 7-(2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, methyl ester, 5′-ester with 2-amino-1,7-dihydro-7-(2-C-methyl-β-D-ribofuranosyl)-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(R)-hydroxyphenoxyphosphinyl]-, methyl ester, 5′-ester with 2-amino-1,7-dihydro-7-(2-C-methyl-β-D-ribofuranosyl)-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(R)-hydroxyphenoxyphosphinyl]-, methyl ester, 5′-ester with 7-(2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, methyl ester, 5′-ester with 7-(2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

L-Alanine, N-[[P(R)]-2′-C-methyl-P-phenyl-5′-guanylyl]-, methyl ester

L-Alanine, N-[[P(R)]-2′-C-methyl-P-phenyl-5′-adenylyl]-, methyl ester

L-Alanine, N-[[P(S)]-2′-C-methyl-P-phenyl-5′-adenylyl]-, methyl ester

β-D-Ribofuranuronamide, 1-[6-[[[bis(5-chloro-2-pyridinyl)amino]carbonyl]amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-

β-D-Ribofuranuronamide, 1-[6-[[[bis(4-nitrophenyl)amino]carbonyl]amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-