Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(4-chlorophenyl 1H-tetrazol-1-ylphosphonate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(4-chlorophenyl 1H-1,2,4-triazol-1-ylphosphonate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(4-chlorophenyl 1H-imidazol-1-ylphosphonate)

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-deoxycytidylyl-(3′→5′)-, 3′-acetate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-, 3′-acetate

Thymidine 3′-(trihydrogen diphosphate), 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, P,P′-bis(4-chlorophenyl) ester, 3′-ester with 5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidine

Guanosine 3′-(trihydrogen diphosphate), 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, P,P′-bis(4-chlorophenyl) ester, 5′-ester with 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)guanosine

Adenosine 3′-(trihydrogen diphosphate), N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, P,P′-bis(4-chlorophenyl) ester, 5′-ester with N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxyadenosine

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, monoanhydride with 2,4,6-trimethylbenzenesulfonic acid, 4-chlorophenyl ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, monoanhydride with 2,4,6-trimethylbenzenesulfonic acid, 4-chlorophenyl ester

3′-Guanylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, monoanhydride with 2,4,6-trimethylbenzenesulfonic acid, 4-chlorophenyl ester

3′-Adenylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, monoanhydride with 2,4,6-trimethylbenzenesulfonic acid, 4-chlorophenyl ester

6-Azido-5-bromo-2′-deoxy-5′-uridylic acid

5-Bromo-2′-deoxy-6-iodo-5′-uridylic acid

6-Amino-2′-deoxy-5-methoxy-5′-uridylic acid

6-Azido-2′-deoxy-5-methoxy-5′-uridylic acid

2′-Deoxy-6-iodo-5-methoxy-5′-uridylic acid

6-Azido-5-chloro-2′-deoxy-5′-uridylic acid

5-Chloro-2′-deoxy-6-iodo-5′-uridylic acid

6-Azido-2′-deoxy-5-fluoro-5′-uridylic acid