Uridine, 5′-[[[(carboxymethyl)[2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl]amino]carbonyl]amino]-5′-deoxy-

Uridine, 5′-deoxy-5′-[[[[2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl][2-oxo-2-(phenylmethoxy)ethyl]amino]carbonyl]amino]-

Uridine, 5′-deoxy-5′-[[N-(5′-deoxyuridin-5′-yl)-L-α-glutaminyl-N-(5′-deoxyuridin-5′-yl)-L-α-glutaminyl-N-(5′-deoxyuridin-5′-yl)-L-α-glutaminyl-L-α-glutamyl]amino]-, phenylmethyl ester

Uridine, 5′-deoxy-5′-[[N-(5′-deoxyuridin-5′-yl)-L-α-glutaminyl-L-α-glutamyl]amino]-, phenylmethyl ester

2′-Deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanosine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(phenoxyacetyl)-, 3′-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-phenoxyacetyl)-, 3′-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-methoxyethyl)-5-methyl-, 3′-[(carboxymethoxy)acetate]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(phenoxyacetyl)-, 3′-[(carboxymethoxy)acetate]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(phenoxyacetyl)-, 3′-[(carboxymethoxy)acetate]

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3',5'-diester with 2'-deoxyuridine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′,5′-diester with 2′-deoxycytidine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′,5′-diester with 2′-deoxy-N-[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-methyl-1-oxobutyl]cytidine

Carbamic acid, [(1S)-1-[[[1-(2-deoxy-β-L-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]carbonyl]-2-methylpropyl]-, 1,1-dimethylethyl ester

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′,5′-diester with 4-amino-1-(2-deoxy-β-L-erythro-pentofuranosyl)-2(1H)-pyrimidinone

4-Amino-1-(3,5-di-O-acetyl-2-deoxy-β-L-erythro-pentofuranosyl)-2(1H)-pyrimidinone

N′-[1-(2-Deoxy-β-L-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]-N,N-dimethylmethanimidamide

N-[1-(2-Deoxy-β-L-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide

L-Valine, 3′,5′-diester with 4-amino-1-(2-deoxy-β-L-erythro-pentofuranosyl)-2(1H)-pyrimidinone