Uridine, 2′,3′,5′-tripropanoate

9-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-D-arabinofuranosyl]-9H-purin-6-amine

Adenosine, 5′-[(3-amino-3-carboxy-4,4-difluorobutyl)methylsulfonio]-5′-deoxy-, inner salt

Cytidine, 5′,5′′′-octanedioate

Cytidine, N-[(phenylmethoxy)carbonyl]-2′,3′-O-(1-methylethylidene)-, 5′,5′′′-octanedioate

2′,3′-O-(1-Methylethylidene)-N-[(phenylmethoxy)carbonyl]cytidine

Octanoic acid, 2,3,3a,9a-tetrahydro-6-imino-2-[(phosphonooxy)methyl]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl ester, [2R-(2α,3β,3aβ,9aβ)]-

Pentanoic acid, 2,3,3a,9a-tetrahydro-6-imino-2-[(phosphonooxy)methyl]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl ester, [2R-(2α,3β,3aβ,9aβ)]-

1-[2,6-Dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-6-[(1-oxopropyl)amino]-α-L-lyxo-hexofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2,5-Methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one, 2,3,10,10a-tetrahydro-8-methyl-3-[(triphenylmethoxy)methyl]-, [2R-(2α,3β,5α,10aβ)]-

Thymidine, 5′-deoxy-5′-[methyl[2-(methylamino)ethyl]amino]-

Thymidine, 3′-(acetylamino)-3′-deoxy-

Thymidine, 5′-[(3-carboxypropyl)sulfinyl]-5′-deoxy-

Thymidine, 5′-[(2-carboxyethyl)sulfinyl]-5′-deoxy-

Thymidine, 3′-S-ethyl-3′-thio-

Thymidine, 5′-deoxy-5′-(ethylsulfinyl)-

Thymidine, 5′-S-(3-carboxypropyl)-5′-thio-

Thymidine, 5′-S-(2-carboxyethyl)-5′-thio-

Thymidine, 5′-S-(carboxymethyl)-5′-thio-

Thymidine, 5′-S-(2-hydroxyethyl)-5′-thio-