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-

1-[6-[(4-Chlorobenzoyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-β-D-ribofuranuronamide

Adenosine, N-[(3-iodophenyl)methyl]-2-(methylamino)-

3-Amino-N-[3-[[[9-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-9H-purin-6-yl]amino]methyl]phenyl]propanamide

2-Azido-1-[2-chloro-6-[(phenylmethyl)amino]-9H-purin-9-yl]-1,2,3-trideoxy-N-methyl-β-D-threo-pentofuranuronamide

β-D-erythro-Pentofuranuronamide, 1-[2-chloro-6-[[(3-iodophenyl)methyl]amino]-9H-purin-9-yl]-1,3-dideoxy-N-methyl-, 2-(O-phenyl carbonothioate)

3′-Thymidylic acid, 5′-ester with 3-[(2-deoxy-β-D-erythro-pentofuranosyl)amino]-2-methyl-2-propenimidamide

Phosphoramidous acid, bis(1-methylethyl)-, (1R,3R,4S,5R)-3-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-1-[4-[(2-methyl-1-oxopropyl)amino]-2-oxo-1(2H)-pyrimidinyl]-6-(phenoxyacetyl)-2-oxa-6-azabicyclo[3.2.0]hept-4-yl 2-cyanoethyl ester

N-[1-[(1R,3R,4S,5R)-3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-4-hydroxy-6-(2-phenoxyacetyl)-2-oxa-6-azabicyclo[3.2.0]hept-1-yl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-2-methylpropanamide

4-Amino-1-[(1R,3R,4S,5R)-3-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-4-hydroxy-6-(2-phenoxyacetyl)-2-oxa-6-azabicyclo[3.2.0]hept-1-yl]-2(1H)-pyrimidinone

Phosphoramidous acid, bis(1-methylethyl)-, (1R,3R,4S,5R)-3-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-6-(phenoxyacetyl)-2-oxa-6-azabicyclo[3.2.0]hept-4-yl 2-cyanoethyl ester

1-[(1R,3R,4S,5R)-3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-4-hydroxy-6-(2-phenoxyacetyl)-2-oxa-6-azabicyclo[3.2.0]hept-1-yl]-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4S,5R)-6-(2-Phenoxyacetyl)-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]-2-oxa-6-azabicyclo[3.2.0]hept-1-yl]-2,4(1H,3H)-pyrimidinedione