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

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-benzoyl-2′-deoxy-, 3′-[2-[(2-hydroxyethyl)sulfonyl]ethyl butanedioate]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-benzoyl-2′-deoxy-, 3′-[2-[(2-hydroxyethyl)sulfonyl]ethyl butanedioate]

Cytidine, 2′-deoxy-5′-O-phosphonocytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-[12-[bis(1-methylethyl)amino]-15-cyano-8,8-dioxido-4-oxo-5,11,13-trioxa-8-thia-12-phosphapentadecanoate]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-benzoyl-2′-deoxy-, 3′-[12-[bis(1-methylethyl)amino]-15-cyano-8,8-dioxido-4-oxo-5,11,13-trioxa-8-thia-12-phosphapentadecanoate]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-benzoyl-2′-deoxy-, 3′-[12-[bis(1-methylethyl)amino]-15-cyano-8,8-dioxido-4-oxo-5,11,13-trioxa-8-thia-12-phosphapentadecanoate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[[4-[2-(2-hydroxyethoxy)-2-oxoethoxy]phenoxy]acetate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[[4-[[7-[bis(1-methylethyl)amino]-10-cyano-2-oxo-3,6,8-trioxa-7-phosphadec-1-yl]oxy]phenoxy]acetate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[[2-(2-hydroxyethoxy)-2-oxoethoxy]acetate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[10-[bis(1-methylethyl)amino]-13-cyano-5-oxo-3,6,9,11-tetraoxa-10-phosphatridecanoate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(2-hydroxyethyl butanedioate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]oxy]ethyl butanedioate]

Adenosine 5′-(tetrahydrogen triphosphate), 2-(ethylamino)-2,3-dihydro-

Adenosine 5′-(tetrahydrogen triphosphate), N-(2R)-bicyclo[2.2.2]oct-2-yl-

Uridine 5′-(tetrahydrogen triphosphate), 5-[3-[(aminoiminomethyl)amino]-1-propynyl]-2′-deoxy-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,7-dihydro-5-(phenylethynyl)-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxo-2′-O-methyluridylyl-(3′→5′)-2′-O-methyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxo-2′-O-methyluridylyl-(3′→5′)-2′-O-methyl-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxo-2′-O-methyluridylyl-(3′→5′)-2′-O-methyl-, 3′-(hydrogen butanedioate)