1-[(2R,3S,4S,5R)-3-Bicyclo[1.1.1]pent-1-yl-4-[[(1,1-dimethylethyl)dimethylsilyl]methyl]-5-ethyltetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4S,5R)-4-[[(1,1-Dimethylethyl)dimethylsilyl]methyl]-5-ethyltetrahydro-3-(3-iodobicyclo[1.1.1]pent-1-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,3S,4S,5R)-4-[[(1,1-Dimethylethyl)dimethylsilyl]methyl]-5-ethyltetrahydro-3-(3-iodobicyclo[1.1.1]pent-1-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

Adenosine, N,N′′-(2E)-2-butene-1,4-diyl-2′-deoxy-2′-fluoro-5′-O-(hydroxymercaptophosphinyl)-P-thioadenylyl-(3′→5′)-2′-deoxy-2′-fluoro-, cyclic nucleotide

Guanosine, 6-O,N-(2Z)-2-butene-1,4-diyl-2′-deoxy-2′-fluoro-5′-O-(hydroxymercaptophosphinyl)-P-thioadenylyl-(3′→5′)-2′-deoxy-2′-fluoro-, cyclic nucleotide

Adenosine, N,N′′-(2E)-2-butene-1,4-diyl-3′-amino-3′-deoxy-5′-O-(hydroxymercaptophosphinyl)-P-thioadenylyl-(3′→5′)-3′-amino-3′-deoxy-, cyclic nucleotide

Adenosine, N,N′′-(2Z)-2-butene-1,4-diyl-3′-amino-N-benzoyl-5′-O-[(2-cyanoethoxy)mercaptophosphinyl]-P(O)-(2-cyanoethyl)-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thioadenylyl-(3′→5′)-3′-amino-N-benzoyl-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, cyclic nucleotide

Adenosine, N,N′′-(2E)-2-butene-1,4-diyl-3′-amino-N-benzoyl-5′-O-[(2-cyanoethoxy)mercaptophosphinyl]-P(O)-(2-cyanoethyl)-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thioadenylyl-(3′→5′)-3′-amino-N-benzoyl-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, cyclic nucleotide

Adenosine, 6,6′′-(3E)-3-hexene-1,6-diyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-6-deamino-2′-deoxy-2′-fluoro-P(S)-[(2-nitrophenyl)methyl]-P-thioadenylyl-(3′→5′)-6-deamino-2′-deoxy-2′-fluoro-

Adenosine, 6,6′′-(3E)-3-hexene-1,6-diyl-6-deamino-2′-deoxy-2′-fluoro-P(S)-[(2-nitrophenyl)methyl]-P-thioadenylyl-(3′→5′)-6-deamino-2′-deoxy-2′-fluoro-

Adenosine, N,N′′-(2E)-2-butene-1,4-diyl-5′-O-(hydroxymercaptophosphinyl)-P-thioadenylyl-(2′→5′)-, cyclic (2′→5′)-nucleotide

Adenosine, N,N′′-(2E)-2-butene-1,4-diyl-2′-O,4′C-(1S)-ethylidene-5′-O-(hydroxymercaptophosphinyl)-P-thioadenylyl-(3′→5′)-2′-deoxy-2′-fluoro-, cyclic nucleotide

Inosine, 6-O,N-(2E)-2-butene-1,4-diyl-2′-deoxy-2′-fluoro-5′-O-(hydroxymercaptophosphinyl)-P-thioadenylyl-(3′→5′)-2′-deoxy-2′-fluoro-, cyclic nucleotide

Adenosine, N,N′′-(2E)-2-butene-1,4-diyl-[P(S)]-N-benzoyl-5′-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2′-deoxy-2′-fluoro-P(S)-[(2-nitrophenyl)methyl]-P-thioadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-2′-fluoro-