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

1-[3-O-(Aminocarbonyl)-3-C-cyano-2,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-xylofuranosyl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

Uridine, 3′-C-cyano-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3,5-dimethyl-, 3′-carbamate

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

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2-oxo-1,7-dioxa-3-azaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[(3ξ)-3-C-cyano-2,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-3,5-dimethyl-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methyluridylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methyluridylylmethylene(methylimino)-(3′→5′)-2′-O-methyl-N-(2-methyl-1-oxopropyl)-, 3′-(4-amino-4-oxobutanoate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methyluridylylmethylene(methylimino)-(3′→5′)-N-benzoyl-5-methyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methyluridylylmethylene(methylimino)-(3′→5′)-N-benzoyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-2′-O-methyl-N-(2-methyl-1-oxopropyl)guanylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-2′-O-methyl-N-(2-methyl-1-oxopropyl)guanylylmethylene(methylimino)-(3′→5′)-2′-O-methyl-N-(2-methyl-1-oxopropyl)-, 3′-(4-amino-4-oxobutanoate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-2′-O-methyl-N-(2-methyl-1-oxopropyl)guanylylmethylene(methylimino)-(3′→5′)-N-benzoyl-5-methyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-2′-O-methyl-N-(2-methyl-1-oxopropyl)guanylylmethylene(methylimino)-(3′→5′)-N-benzoyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Uridine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methylcytidylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methylcytidylylmethylene(methylimino)-(3′→5′)-2′-O-methyl-N-(2-methyl-1-oxopropyl)-, 3′-(4-amino-4-oxobutanoate)

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methylcytidylylmethylene(methylimino)-(3′→5′)-N-benzoyl-5-methyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methylcytidylylmethylene(methylimino)-(3′→5′)-N-benzoyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Uridine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-2′-O-methyladenylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-, 3′-(4-amino-4-oxobutanoate)

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-2′-O-methyladenylylmethylene(methylimino)-(3′→5′)-2′-O-methyl-N-(2-methyl-1-oxopropyl)-, 3′-(4-amino-4-oxobutanoate)