Methyl 5-bromo-2,3-dihydro-2-oxo-1-β-D-ribofuranosyl-1H-imidazole-4-carboxylate

Methyl 2,3-dihydro-1-β-D-ribofuranosyl-2-thioxo-1H-imidazole-4-carboxylate

Methyl 2,3-dihydro-2-thioxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazole-4-carboxylate

Methyl 2-chloro-1-β-D-ribofuranosyl-1H-imidazole-4-carboxylate

Methyl 2-chloro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazole-4-carboxylate

1H-Imidazole-4-carboxylic acid, 2,3-dihydro-1-[2,3-O-(1-methylethylidene)-5-O-[(4-methylphenyl)sulfonyl]-β-D-ribofuranosyl]-2-oxo-, methyl ester

Methyl 2,3-dihydro-2-oxo-1-β-D-ribofuranosyl-1H-imidazole-4-carboxylate

Methyl 2,3-dihydro-3-methyl-2-oxo-1-β-D-ribofuranosyl-1H-imidazole-4-carboxylate

Methyl 2,3-dihydro-3-methyl-2-oxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazole-4-carboxylate

Thymidine 5′-(trihydrogen diphosphate), monoanhydride with [[4-[(2-chloroethyl)methylamino]phenyl]methyl]phosphoramidic acid

Thymidine 5′-(trihydrogen diphosphate), monoanhydride with (phenylmethyl)phosphoramidic acid

5′-Inosinic acid, 6-thio-, mono[(4-nitrophenyl)methyl] ester

Uridine, 5′-O-[hydroxy(methylthio)phosphinyl]-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)-2′,3′-O-(methoxymethylene)-

Guanosine, cyclic 3′,5′-(hydrogen phosphate) 2′-(chloroacetate)

5′-Adenylic acid, N,N-diacetyl-, 2′,3′-diacetate

9-(2-Deoxy-α-D-erythro-pentofuranosyl)-6-[(phenylmethyl)thio]-9H-purin-2-amine

Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

5′-O-[(1,1-Dimethylethyl)dimethylsilyl]adenosine

2,4(1H,3H)-Pyrimidinedione, 1-[5-O-(5-amino-2,5-dideoxypentofuranosyl)-5-C-(5-carboxy-2,3,4,7-tetrahydro-1-methyl-3-oxo-1H-1,4-diazepin-2-yl)-2-deoxypentofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-O-(5-amino-2,5-dideoxypentofuranosyl)-5-C-(5-carboxyhexahydro-6-hydroxy-1-methyl-3-oxo-1H-1,4-diazepin-2-yl)-2-deoxypentofuranosyl]-