2,4(1H,3H)-Pyrimidinedione, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2,6-dideoxy-3-O-[(1S,3S,3aS)-tetrahydro-3-[(methyldiphenylsilyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-α-L-lyxo-hexofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2,6-dideoxy-3-O-[(1S,3S,3aS)-tetrahydro-3-[(methyldiphenylsilyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-β-D-ribo-hexofuranosyl]-5-methyl-

β-D-erythro-Pentofuranuronamide, 1,2-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-O-[(1,1-dimethylethyl)dimethylsilyl]-N-methoxy-N-methyl-

β-D-erythro-Pentofuranuronic acid, 1,2-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-O-[(1,1-dimethylethyl)dimethylsilyl]-, anhydride with 2,2-dimethylpropanoic acid

1-[2,6-Dideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-hexofuranos-5-ulos-1-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-5-[3-[(1-oxohexadecyl)amino]-1-propyn-1-yl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-5-[3-[(1-oxohexadecyl)amino]-1-propyn-1-yl]-

Uridine, 5-(3-amino-1-propyn-1-yl)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[2,5,6-trideoxy-6-(dimethoxyphosphinyl)-3-O-[(1S,3S,3aS)-tetrahydro-3-[(methyldiphenylsilyl)methyl]-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-β-D-erythro-hex-5-enofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[2,5,6-trideoxy-6-(dimethoxyphosphinyl)-3-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-hex-5-enofuranosyl]-