Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-4-S-[(2,2-dimethyl-1-oxopropoxy)methyl]-4-thio-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-4-S-[(2,2-dimethyl-1-oxopropoxy)methyl]-4-thio-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4-S-[(2,2-dimethyl-1-oxopropoxy)methyl]-4-thio-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-4-thio-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4-thio-

4-Amino-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-5-methyl-2(1H)-pyrimidinone

N-[1-[3-O-Acetyl-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

1-[3-O-Acetyl-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-4-amino-5-methyl-2(1H)-pyrimidinone

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-5-methyl-4-[(1-pyrenylmethyl)amino]-2(1H)-pyrimidinone

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-α-D-erythro-pentofuranosyl]-5-methyl-4-[(1-pyrenylmethyl)amino]-2(1H)-pyrimidinone

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-5-methyl-4-[(1-pyrenylmethyl)amino]-2(1H)-pyrimidinone

1-[3-O-Acetyl-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-5-methyl-4-[(1-pyrenylmethyl)amino]-2(1H)-pyrimidinone

1-[3-O-Acetyl-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-5-methyl-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

1-[3-O-Acetyl-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

6,12b-Methano-12bH-[1,3]benzodioxepino[4,5-b]indole-8(7aH)-carboxylic acid, 2,13-dihydroxy-3-methoxy-6-phenyl-, 1,1-dimethylethyl ester, (6R,7aR,12bR,13R)-

6,12b-Methano-12bH-[1,3]benzodioxepino[4,5-b]indole-8(7aH)-carboxylic acid, 11-chloro-2,13-dihydroxy-3-methoxy-6-phenyl-, phenylmethyl ester, (6R,7aR,12bR,13R)-