L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 2′,3′-dideoxy-3′-[[(1-oxopentyl)oxy]methyl]cytidine

Cytidine, 2′,3′-dideoxy-3′-[[(1-oxopentyl)oxy]methyl]-

Cytidine, 2′,3′-dideoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-[[(1-oxopentyl)oxy]methyl]-

Cytidine, 2′,3′-dideoxy-3′-[[(1-oxopentyl)oxy]methyl]-, 5′-pentanoate

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′-ester with 2′,3′-dideoxy-3′-(hydroxymethyl)cytidine 5′-pentanoate

Cytidine, 2′,3′-dideoxy-3′-(hydroxymethyl)-, 5′-pentanoate

Cytidine, 2′,3′-dideoxy-3′-[[(4-methoxyphenyl)diphenylmethoxy]methyl]-, 5′-pentanoate

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′,5′-diester with 2′,3′-dideoxy-3′-[(2-hydroxy-1-oxopropoxy)methyl]cytidine 5′-(2-hydroxypropanoate)

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 1-carboxyethyl ester, 5′-ester with 2′,3′-dideoxy-3′-[[(4-methoxyphenyl)diphenylmethoxy]methyl]cytidine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 2′,3′-dideoxy-3′-[[(4-methoxyphenyl)diphenylmethoxy]methyl]cytidine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′-ester with 2′,3′-dideoxy-3′-(hydroxymethyl)cytidine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′-ester with 2′,3′-dideoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-(hydroxymethyl)cytidine

Cytidine, 2′,3′-dideoxy-3′-[[(4-methoxyphenyl)diphenylmethoxy]methyl]-

Cytidine, 2′,3′-dideoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-(hydroxymethyl)-

2′,3′-Dideoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[[(4-methoxyphenyl)diphenylmethoxy]methyl]cytidine

1-[(5R,6S,8R,9R)-4-Amino-1-methyl-2,2-dioxido-9-(silyloxy)-6-[(silyloxy)methyl]-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6S,8R,9R)-4-Amino-2,2-dioxido-9-(silyloxy)-6-[(silyloxy)methyl]-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-2,2-dioxido-9-(silyloxy)-6-[(silyloxy)methyl]-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6S,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-1-methyl-2,2-dioxido-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-ethyl-5-methyl-2,4(1H,3H)-pyrimidinedione

Inosine, 3′,5′-O-[bis(1,1-dimethylethyl)silylene]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-