Thymidine, 5′-O-phosphonothymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-

Guanosine, P,2′-dideoxy-P-methylguanylyl-(3′→5′)-P,2′-dideoxy-P-methylguanylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-2′-deoxy-

Thymidine, P-deoxy-P-methyl-P-seleno-5′-O-(triphenylmethyl)thymidylyl-(3′→5′)-

Uridine, 5-(2-bromoethenyl)-2′-deoxy-6-methyl-, (E)-

Thymidine, P-deoxy-P-methyl-P-thio-5′-O-(triphenylmethyl)thymidylyl-(3′→5′)-

2-Propenoic acid, 3-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-6-methyl-2,4-dioxo-5-pyrimidinyl]-, ethyl ester, (E)-

Adenosine, adenylyl-(3′→5′)-adenylyl-(3′→5′)-3′-deoxy-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-(trimethylphosphonamidate)

Thymidine, 5′-O-(triphenylmethyl)-, 3′-[P-methyl-N,N-bis(1-methylethyl)phosphonamidate]

Thymidine, 5′-O-(triphenylmethyl)-, 3′-(P-methyl-N,N-diphenylphosphonamidate)

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-(trimethylphosphonamidate)

Thymidine, 5′-O-(triphenylmethyl)-, 3′-(N,N-diethyl-P-methylphosphonamidate)

Guanosine, 5′-O-[1,1-bis(4-methoxyphenyl)ethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Thymidine, 5′-O-(triphenylmethyl)-, 3′-(N,P-dimethyl-N-phenylphosphonamidite)

Thymidine, 5′-O-(triphenylmethyl)-, 3′-(P-methyl-N,N-diphenylphosphonamidite)

Thymidine, 5′-O-(triphenylmethyl)-, 3′-(N,N-diethyl-P-methylphosphonamidite)

Thymidine, 5′-O-(triphenylmethyl)-, 3′-[P-methyl-N,N-bis(1-methylethyl)phosphonamidite]

Adenosine 5′-(trihydrogen diphosphate), 2′-(2-carboxyethyl hydrogen phosphate), P′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium

3′-Thymidylic acid, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-, 3′-[5-(9-acridinyl)pentyl] ester

Uridine, 2′-deoxy-5-fluoro-, 3′,5′-bis(hydrogen heptanedioate)