Hydrouracil, 1-(2,3-O-isopropylidene-5-O-trityl-β-D-ribofuranosyl)-2-thio-

Dihydro-1-[2,3-O-(1-methylethylidene)-5-O-(triphenylmethyl)-β-D-ribofuranosyl]-2,4(1H,3H)-pyrimidinedione

Uridine, 5,6-dihydro-2′,3′-O-(1-methylethylidene)-2-thio-

4,12-Epoxy-5H,8H-1,3-dioxolo[4,5-e]pyrimido[2,1-b][1,3]oxazocin-8-one, 3a,4,9,10,12,12a-hexahydro-2,2-dimethyl-, [3aR-(3aα,4β,12β,12aα)]-

Uridine, 5′-deoxy-5,6-dihydro-5′-iodo-2′,3′-O-(1-methylethylidene)-

Uridine, 5,6-dihydro-2′,3′-O-(1-methylethylidene)-, 5′-(4-methylbenzenesulfonate)

5,6-Dihydro-2′,3′-O-(1-methylethylidene)uridine

Uridine, 2′,2′′′-dithiobis[2′-deoxy-

Pyridinium, 3-carbamoyl-1-β-D-ribofuranosyl-, hydroxide, 5′-(trihydrogen pyrophosphate), inner salt, 5′-ester with methyl 4-methyl-1-β-D-ribofuranosylimidazol-5-yl ketone

1-[4-Methyl-1-(5-O-phosphono-β-D-ribofuranosyl)-1H-imidazol-5-yl]ethanone

1-[4-Methyl-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-imidazol-5-yl]ethanone

Ketone, methyl 4-methyl-1-β-D-ribofuranosylimidazol-5-yl, triacetate (ester)

1-(4-Methyl-1-β-D-ribofuranosyl-1H-imidazol-5-yl)ethanone

Ketone, methyl 4-methyl-1-β-D-ribofuranosylimidazol-5-yl, tribenzoate (ester)

Uridine, 3-[(methylthio)methyl]-, 2′,3′,5′-tribenzoate

Uridine, 3-[[cyclohexyl[(cyclohexylamino)carbonyl]amino]methyl]-, 2′,3′,5′-tribenzoate

O-[3′-Azido-3′-deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-5′-thymidylyl]-N-[(1,1-dimethylethoxy)carbonyl]-L-tyrosine methyl ester

L-Tyrosine, N-[(1,1-dimethylethoxy)carbonyl]-, 1,1-dimethylethyl ester, 2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl 3′-azido-3′-deoxy-5′-thymidylate (ester)

N-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-α-D-erythro-pentofuranosyl]-7H-purin-2-yl]acetamide

N-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-7H-purin-2-yl]acetamide