Uridine, 2′-chloro-4′-C-(chloromethyl)-2′-deoxy-5-(trimethylstannyl)-, 3′,5′-diacetate

2′-Chloro-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-propylcytidine

2′-Chloro-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-ethylcytidine

2′-Chloro-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-ethynylcytidine

2′-Chloro-4′-C-(chloromethyl)-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]cytidine

4′-C-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2′-chloro-2′-deoxy-3-[(4-methoxyphenyl)methyl]-3′,5′-bis-O-(phenylmethyl)uridine

4′-C-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2′-chloro-2′-deoxy-3-[(4-methoxyphenyl)methyl]uridine

4′-C-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2′-chloro-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3-[(4-methoxyphenyl)methyl]uridine

2′-Chloro-2′-deoxy-4′-C-[(methylthio)methyl]uridine 5′-(tetrahydrogen triphosphate)

2′-Chloro-2′-deoxy-4′-C-[(methylthio)methyl]cytidine 5′-(tetrahydrogen triphosphate)

2′-Chloro-2′-deoxy-4′-C-[(1R)-1-fluoroethyl]uridine 5′-(tetrahydrogen triphosphate)

2′-Chloro-2′-deoxy-4′-C-[(1R)-1-fluoroethyl]cytidine 5′-(tetrahydrogen triphosphate)

2′-Chloro-4′-C-cyclopropyl-2′-deoxycytidine 5′-(tetrahydrogen triphosphate)

2′-Chloro-4′-C-(chloromethyl)-2′-deoxy-5-fluorocytidine 5′-(tetrahydrogen triphosphate)

2′-Chloro-2′-deoxy-4′-C-propyluridine 5′-(tetrahydrogen triphosphate)

2′-Chloro-2′-deoxy-4′-C-propylcytidine 5′-(tetrahydrogen triphosphate)

2′-Chloro-2′-deoxy-4′-C-ethyluridine 5′-(tetrahydrogen triphosphate)

2′-Chloro-2′-deoxy-4′-C-ethylcytidine 5′-(tetrahydrogen triphosphate)

2'-Chloro-2'-deoxy-4'-C-ethynyluridine 5'-(tetrahydrogen triphosphate)

2′-Chloro-2′-deoxy-4′-C-ethynylcytidine 5′-(tetrahydrogen triphosphate)