2-(2-Deoxy-2-fluoro-α-D-arabinofuranosyl)-4-methoxy-2H-pyrazolo[3,4-d]pyrimidine

2-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-4-methoxy-2H-pyrazolo[3,4-d]pyrimidine

1-(2-Deoxy-2-fluoro-α-D-arabinofuranosyl)-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine

1-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine

2-(3,5-Di-O-benzoyl-2-deoxy-2-fluoro-α-D-arabinofuranosyl)-4-methoxy-2H-pyrazolo[3,4-d]pyrimidine

2-(3,5-Di-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-4-methoxy-2H-pyrazolo[3,4-d]pyrimidine

1-(3,5-Di-O-benzoyl-2-deoxy-2-fluoro-α-D-arabinofuranosyl)-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine

1-(3,5-Di-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine

Uridine, 2′-deoxy-5-(2-fluoroethyl)-4-O-methyl-, 3′,5′-bis(4-methylbenzoate)

5-(2-Chloroethyl)-1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-4-methoxy-2(1H)-pyrimidinone

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-5-ethenyl-4-methoxy-2(1H)-pyrimidinone

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-5-(2-fluoroethyl)-4-methoxy-2(1H)-pyrimidinone

2(1H)-Pyrimidinone, 1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-4-methoxy-5-[2-[[(trifluoromethyl)sulfonyl]oxy]ethyl]-

Uridine, 2′-deoxy-4-O-methyl-5-[2-[[(trifluoromethyl)sulfonyl]oxy]ethyl]-, 3′,5′-bis(4-methylbenzoate)

2(1H)-Pyrimidinone, 1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-4-methoxy-5-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-

Uridine, 2′-deoxy-4-O-methyl-5-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-, 3′,5′-bis(4-methylbenzoate)

1-[3,5-Bis-O-(4-chlorobenzoyl)-2-deoxy-α-D-erythro-pentofuranosyl]-5-(2-hydroxyethyl)-4-methoxy-2(1H)-pyrimidinone

Uridine, 2′-deoxy-5-(2-hydroxyethyl)-4-O-methyl-, 3′,5′-bis(4-chlorobenzoate)

Uridine, 2′-deoxy-5-(2-hydroxyethyl)-4-O-methyl-, 3′,5′-bis(4-methylbenzoate)

2′-Deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanosine