Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(O)-(2-cyanoethyl)-P-deoxo-2′-deoxycytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-acetate

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxo-2′-deoxycytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-acetate

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxo-2′-deoxycytidylyl-(3′→5′)-, 3′-acetate

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-acetate

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-acetate

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-acetate

Uridine, 5-methyl-2′-O-[6-[[(2-propenyloxy)carbonyl]amino]hexyl]-

N-[2-[[3-(2-Deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxo-1H-pyrimido[5,4-b][1,4]benzoxazin-9-yl]oxy]ethyl]-2,2,2-trifluoroacetamide

Adenosine 5′-(trihydrogen diphosphate), P′→5-ester with D-erythro-pentos-3-ulose

Guanosine, 2′-deoxy-5′-O-[hydroxy(phenylamino)phosphinyl]-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

4-(Methylthio)-1-(2,3,5-tri-O-benzoyl-β-D-xylofuranosyl)-2(1H)-pyrimidinethione

Uridine, 4-S-methyl-2,4-dithio-, 2′,3′,5′-tribenzoate

N-[9-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-L-aspartic acid

2-Propenoic acid, 3-phenyl-, [2,3,3a,9a-tetrahydro-6-imino-3-[(1-oxo-3-phenyl-2-propenyl)oxy]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester, [2R-(2α,3β,3aβ,9aβ)]-

Benzenebutanoic acid, [2,3,3a,9a-tetrahydro-6-imino-3-(1-oxo-4-phenylbutoxy)-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester, [2R-(2α,3β,3aβ,9aβ)]-

2-Butenoic acid, [2,3,3a,9a-tetrahydro-6-imino-3-[(1-oxo-2-butenyl)oxy]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester, [2R-(2α,3β,3aβ,9aβ)]-

Tricyclo[3.3.1.13,7]decane-1-carboxylic acid, [2,3,3a,9a-tetrahydro-6-imino-3-[(tricyclo[3.3.1.13,7]dec-1-ylcarbonyl)oxy]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester, [2R-(2α,3β,3aβ,9aβ)]-

Cyclopropanecarboxylic acid, 2-[[(cyclopropylcarbonyl)oxy]methyl]-2,3,3a,9a-tetrahydro-6-imino-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl ester, [2R-(2α,3β,3aβ,9aβ)]-

Tetracosanoic acid, [2,3,3a,9a-tetrahydro-6-imino-3-[(1-oxotetracosyl)oxy]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester, [2R-(2α,3β,3aβ,9aβ)]-

Heptadecanoic acid, [2,3,3a,9a-tetrahydro-6-imino-3-[(1-oxoheptadecyl)oxy]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester, [2R-(2α,3β,3aβ,9aβ)]-