Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Phenylalanine, 4-benzoyl-N-[(2-propenyloxy)carbonyl]-, 3′-ester with 2′-deoxy-5′-O-phosphonocytidylyl-(3′→5′)-adenosine

Phenylalanine, 4-benzoyl-N-[(2-propenyloxy)carbonyl]-, 3′-ester with adenosine

Norvaline, 5-(4-benzoylphenyl)-N-[(2-propenyloxy)carbonyl]-, 3′-ester with 2′-deoxy-5′-O-phosphonocytidylyl-(3′→5′)-adenosine

Norvaline, 5-(4-benzoylphenyl)-N-[(2-propenyloxy)carbonyl]-, 3′-ester with adenosine

Phenylalanine, 4-benzoyl-N-[(2-propenyloxy)carbonyl]-, 2′-ester with 2′-deoxy-5′-O-phosphonocytidylyl-(3′→5′)-adenosine

Phenylalanine, 4-benzoyl-N-[(2-propenyloxy)carbonyl]-, 2′-ester with adenosine

Norvaline, 5-(4-benzoylphenyl)-N-[(2-propenyloxy)carbonyl]-, 2′-ester with 2′-deoxy-5′-O-phosphonocytidylyl-(3′→5′)-adenosine

Norvaline, 5-(4-benzoylphenyl)-N-[(2-propenyloxy)carbonyl]-, 2′-ester with adenosine

5′-Xanthylic acid, monoanhydride with imidodiphosphoric acid

5′-Xanthylic acid, monoanhydride with methylenebis[phosphonic acid]

Cytidine, 5′-O-phosphonoadenylyloxy-1,4-butanediyloxyphosphinicooxy-1,4-butanediyloxyphosphinico-(2′→5′)-2′-deoxy-

N-Benzoyl-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-imidazole-4-carboxamide

N-Benzoyl-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-imidazole-4-carboxamide

N-Benzoyl-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-imidazole-4-carboxamide

Phosphorodiamidous acid, N′-[[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-imidazol-4-yl]carbonyl]-N,N-bis(1-methylethyl)-, 2-cyanoethyl ester

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-imidazole-4-carboxamide

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-imidazole-4-carboxamide

N-[1-(2-Deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]-L-asparaginyl-L-leucine methyl ester

N-[1-(2-Deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]-N2-[(1,1-dimethylethoxy)carbonyl]-L-asparaginyl-L-leucine methyl ester