Guanosine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-acetate 5′-[O-(2-cyanoethyl) hydrogen phosphorodithioate]

Adenosine, N-benzoyl-2′-deoxy-, 3′-acetate 5′-[O-(2-cyanoethyl) hydrogen phosphorodithioate]

Cytidine, N-benzoyl-2′-deoxy-, 3′-acetate 5′-[O-(2-cyanoethyl) hydrogen phosphorodithioate]

Thymidine, 3′-acetate 5′-[O-(2-cyanoethyl) hydrogen phosphorodithioate]

N-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[(2-cyanoethoxy)mercaptophosphinothioyl]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purin-2-yl]-2-methylpropanamide

Guanosine, 2′-deoxy-, 5′-(dihydrogen phosphorodithioate)

Cytidine, 2′-deoxy-, 5′-(dihydrogen phosphorodithioate)

Guanosine, 2′-deoxy-, 3′-(dihydrogen phosphorodithioate)

Cytidine, 2′-deoxy-, 3′-(dihydrogen phosphorodithioate)

Uridine, 2′-C-[(trimethylsilyl)ethynyl]-, 2′,3′,5′-tribenzoate

Uridine, 2′-C-ethenyl-, 2′,3′,5′-tribenzoate

Cytidine, N-acetyl-2′-C-[(trimethylsilyl)ethynyl]-, 2′,3′,5′-tribenzoate

Cytidine, N-acetyl-2′-C-ethenyl-, 2′,3′,5′-tribenzoate

2′-Deoxy-N-[[1-[4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-2-nitrophenyl]-2,2-dimethylpropoxy]carbonyl]cytidine 5′-(tetrahydrogen triphosphate)