N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-4-amine

7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-5-bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidine

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-4-chloro-7H-pyrrolo[2,3-d]pyrimidine

15,18-Epoxy-14H-[1,2,3,10]oxathiadiazacyclopentadecino[10,9-e]purin-10(11H)-one, 4-amino-6,7,8,9,15,16,17,18-octahydro-9,16,17-trihydroxy-, 12,12-dioxide, (9S,15R,16S,17R,18R)-

Methyl (2S)-5-[6-[[(1,1-dimethylethoxy)carbonyl]amino]-9-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-9H-purin-8-yl]-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-pentynoate

Methyl (αS)-9-[5-O-(aminosulfonyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-[[(1,1-dimethylethoxy)carbonyl]amino]-α-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-9H-purine-8-pentanoate

Uridine 5′-(tetrahydrogen triphosphate), 2′-azido-2′,3′-dideoxy-5-methyl-

5′-Uridylic acid, 2′-azido-2′,3′-dideoxy-5-methyl-

(2R,3R,5S)-2-(6-Amino-9H-purin-9-yl)-5-[(1E)-2-fluoroethenyl]tetrahydro-3-furanol

(2R,3R,5S)-2-(6-Amino-9H-purin-9-yl)-5-[(1E)-2-bromoethenyl]tetrahydro-3-furanol

(2R,3R,5S)-2-(6-Amino-9H-purin-9-yl)tetrahydro-5-[(1E)-2-iodoethenyl]-3-furanol