1-[3-O-[[Bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-β-D-ribofuranosyl]-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

Guanosine, [P(S)]-P-thiocytidylyl-(3′→5′)-

Guanosine, [P(R)]-P-thiocytidylyl-(3′→5′)-

Cytidine, [P(S)]-P-thioguanylyl-(3′→5′)-

Cytidine, [P(R)]-P-thioguanylyl-(3′→5′)-