2′-Deoxy-2′-[(E)-(2-pyridinylmethylene)amino]uridine

N-[[P(S)]-3′-O-Benzoyl-2′-deoxy-2′,2′-difluoro-P-phenyl-5′-cytidylyl]-L-alanine phenylmethyl ester

N-[[P(S)]-2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,2′-difluoro-P-phenyl-5′-cytidylyl]-L-alanine phenylmethyl ester

N-[[P(S)]-2′-Deoxy-2′,2′-difluoro-P-phenyl-3′-O-(phenylmethyl)-5′-cytidylyl]-L-alanine phenylmethyl ester

N-[[P(R)]-3′-O-Benzoyl-2′-deoxy-2′,2′-difluoro-P-phenyl-5′-cytidylyl]-L-alanine phenylmethyl ester

N-[[P(R)]-2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,2′-difluoro-P-phenyl-5′-cytidylyl]-L-alanine phenylmethyl ester

N-[[P(R)]-2′-Deoxy-2′,2′-difluoro-P-phenyl-3′-O-(phenylmethyl)-5′-cytidylyl]-L-alanine phenylmethyl ester

2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,2′-difluorocytidine

2′-Deoxy-2′,2′-difluoro-3′-O-(phenylmethyl)cytidine

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4,5-dihydro-1-[4-[[(17β)-17-[3-[2,2,2-trifluoro-1,1-bis(trifluoromethyl)ethoxy]propoxy]estra-1,3,5(10)-trien-3-yl]oxy]butyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

N-[2′-Deoxy-3′-O-[(1,1-dimethylethoxy)carbonyl]-2′,2′-difluoro-P-phenyl-5′-cytidylyl]-L-alanine phenylmethyl ester

Alanine, N-phosphono-, 1-(2-hydroxyethyl) ester, P→5′ ester with uridine, L-

L-Alanine, N-[N-(2-furanylmethyl)-P-phenyl-5′-adenylyl]-, 1-methylethyl ester

L-Alanine, N-[N-(2-furanylmethyl)-P-phenyl-5′-adenylyl]-, phenylmethyl ester

L-Alanine, N-[N-(2-furanylmethyl)-P-phenyl-5′-adenylyl]-, 1,1-dimethylethyl ester

L-Alanine, N-[N-(2-furanylmethyl)-P-phenyl-5′-adenylyl]-, methyl ester

5′-Se-[(3R)-3-Amino-3-carboxypropyl]-5′-selenoadenosine