(2S,3S,4R,5R)-3,4-dihydroxy-N-methyl-5-[6-(4-phenylbutylamino)purin-9-yl]oxolane-2-carboxamide

(2R,3S,4R,5R)-2-(hydroxymethyl)-5-[6-(3-phenylpropylamino)purin-9-yl]oxolane-3,4-diol

(2R,3R,4S,5R)-2-[2-chloro-6-(4-phenylbutylamino)purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol

(2S,3S,4R,5R)-N-ethyl-3,4-dihydroxy-5-[6-(4-phenylbutylamino)purin-9-yl]oxolane-2-carboxamide

(2R,3S,4R,5R)-2-(hydroxymethyl)-5-[6-(4-phenylbutylamino)purin-9-yl]oxolane-3,4-diol

2-[1-(R)-Methyl-2-(4-methoxyphenyl)ethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

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propan-2-yl 2-methyl-4-(1,3-oxazol-2-yl)-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate

N-[6-(5-methylfuran-2-yl)-5-pyridin-4-ylpyrazin-2-yl]cyclopropanecarboxamide

4-(2-{[5-amino-2-(furan-2-yl)-[1,2,4]triazolo[1,5-a][1,3,5]triazin-7-yl]amino}ethyl)phenol

ethyl 2-methyl-4-(1,3-oxazol-2-yl)-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate

ethyl 2-methyl-4-(1,3-thiazol-2-yl)-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate

(2R,3R,4S,5R)-2-{6-Amino-2-[(S)-1-hydroxymethyl-2-(4-hydroxy-phenyl)-ethylamino]-purin-9-yl}-5-(2-ethyl-2H-tetrazol-5-yl)-tetrahydro-furan-3,4-diol

(2R,3R,4S,5R)-2-{6-Amino-2-[(S)-2-(4-bromo-phenyl)-1-hydroxymethyl-ethylamino]-purin-9-yl}-5-(2-ethyl-2H-tetrazol-5-yl)-tetrahydro-furan-3,4-diol

(+/-)-Ethyl 4-(1H-Imidazol-2-yl)-2-methyl-1,4-dihydrobenzo[4,5]imidazo[1,2-a]pyrimidine-3-carboxylate

5-[5-amino-2-(furan-2-yl)-[1,2,4]triazolo[1,5-c]pyrimidin-8-yl]-1-methylpyridin-2-one

N-[2,6-bis(furan-2-yl)pyrimidin-4-yl]butanamide

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N-[2,6-bis(furan-2-yl)pyrimidin-4-yl]propanamide

(2R,3R,4S,5R)-2-[6-amino-2-[1-(4-methoxyphenyl)propan-2-ylamino]purin-9-yl]-5-(2-ethyltetrazol-5-yl)oxolane-3,4-diol

2-[1-(R,S)-Methyl-2-(4-bromophenyl)ethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

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N-[2,6-bis(furan-2-yl)pyrimidin-4-yl]acetamide

2-[1-(R,S)-Methyl-2-phenylethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

[4-(2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-(1H-pyrazol-5-yl)carbamate

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2-[1-(R)-Methyl-2-(4-bromophenyl)ethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

[4-(1,3-dimethyl-2,4-dioxo-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-thiophen-3-ylcarbamate

N-[6-(5-methylfuran-2-yl)-5-pyridin-4-ylpyridin-2-yl]cyclopropanecarboxamide

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2-(furan-2-yl)-[1,2,4]triazolo[1,5-a]quinoxalin-4-amine

2-[1-(R,S)-Methyl-2-(4-fluorophenyl)ethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

N-[5-cyano-6-(furan-2-yl)pyridin-2-yl]cyclopropanecarboxamide

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2-[1-(R)-Methyl-2-phenylethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

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[4-(1,3-dimethyl-2,4-dioxo-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-thiophen-2-ylcarbamate

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2-[1-(R,S)-Methyl-2-(4-chlorophenyl)ethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

2-[1-(R,S)-Methyl-2-(4-trifluoromethylphenyl)ethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

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[4-(1,3-dimethyl-2,4-dioxo-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-(furan-2-yl)carbamate

(3-methoxyphenyl)methyl 5-amino-2-phenyltriazole-4-carboxylate

2-[1-(R,S)-Methyl-2-(3-methoxyphenyl)ethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

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[4-(2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-(1,2-oxazol-3-yl)carbamate

5-amino-N-benzyl-2-phenyltriazole-4-carboxamide

N-(2,6-dithiophen-2-ylpyrimidin-4-yl)acetamide

5-[2-amino-4-(furan-2-yl)pyrimidin-5-yl]-1-methylpyridin-2-one

7-hydroxy-6-(4-(methylsulfonyl)phenyl)-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

propan-2-yl 4-(furan-2-yl)-2-methyl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate

[4-(2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl 4-(3-chlorophenyl)piperazine-1-carboxylate

[4-(2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-phenylcarbamate

N-[6-(furan-2-yl)-5-pyridin-4-ylpyridin-2-yl]cyclopropanecarboxamide

N-(4-bromophenyl)-2-[4-(2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenoxy]acetamide

benzyl 5-amino-2-phenyltriazole-4-carboxylate

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[4-(1,3-dimethyl-2,4-dioxo-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-phenylcarbamate

N-[5-bromo-6-(furan-2-yl)pyridin-2-yl]cyclopropanecarboxamide

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[4-(2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-pyrazin-2-ylcarbamate

(2R,3R,4S,5R)-2-{6-Amino-2-[(S)-1-hydroxymethyl-2-(4-methoxy-phenyl)-ethylamino]-purin-9-yl}-5-(2-ethyl-2H-tetrazol-5-yl)-tetrahydro-furan-3,4-diol

N-[6-(4-fluorophenyl)-5-pyridin-4-ylpyridin-2-yl]cyclopropanecarboxamide

N-[2,6-di(thiophen-3-yl)pyrimidin-4-yl]acetamide

[4-(1,3-dimethyl-2,4-dioxo-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl 3,4-dihydro-1H-isoquinoline-2-carboxylate

5-[5-amino-2-(5-methyl-1,3-thiazol-2-yl)-[1,2,4]triazolo[1,5-c]pyrimidin-8-yl]-1-methylpyridin-2-one

N-[6-(furan-2-yl)-5-pyridin-4-ylpyrazin-2-yl]cyclopropanecarboxamide

(2R,3R,4S,5R)-2-(6-amino-2-((S)-1-hydroxy-3-phenylpropan-2-ylamino)-9H-purin-9-yl)-5-(2-ethyl-2H-tetrazol-5-yl)tetrahydrofuran-3,4-diol

1-[[2-(furan-2-yl)-[1,2,4]triazolo[1,5-a]quinoxalin-4-yl]amino]propan-2-ol

(2R,3R,4S,5R)-2-{6-Amino-2-[(S)-1-hydroxymethyl-2-(4-nitro-phenyl)-ethylamino]-purin-9-yl}-5-(2-ethyl-2H-tetrazol-5-yl)-tetrahydro-furan-3,4-diol

6-(4-hydroxyphenyl)-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

(2-methylphenyl)methyl 5-amino-2-phenyltriazole-4-carboxylate

(CGS21680) 3-(4-{2-[6-Amino-9-(5-ethylcarbamoylmethyl-3,4-dihydroxy-tetrahydro-furan-2-yl)-9H-purin-2-ylamino]-ethyl}-phenyl)-propionic acid

7-hydroxy-6-phenyl-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

[4-(2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl 4-(4-fluorophenyl)piperazine-1-carboxylate

N-[6-(2-fluorophenyl)-5-pyridin-4-ylpyrazin-2-yl]cyclopropanecarboxamide

2-(furan-2-yl)-N-(2-phenylethyl)-[1,2,4]triazolo[1,5-a]quinoxalin-4-amine

N-[6-(furan-2-yl)-5-pyridin-4-ylpyrazin-2-yl]propanamide

2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]-N-(4-fluorophenyl)acetamide

2-[1-(S)-Methyl-2-(4-methoxyphenyl)ethylamino]-5'-(2-ethyl-2H-tetrazol-5-yl)adenosine

N-[6-(3-fluorophenyl)-5-pyridin-4-ylpyridin-2-yl]cyclopropanecarboxamide

N-[6-(2-fluorophenyl)-5-pyridin-4-ylpyridin-2-yl]cyclopropanecarboxamide

5-(5-amino-2-pyridin-2-yl-[1,2,4]triazolo[1,5-c]pyrimidin-8-yl)-1-methylpyridin-2-one

2-[[2-(furan-2-yl)-[1,2,4]triazolo[1,5-a]quinoxalin-4-yl]amino]ethanol

N-[2-(furan-2-yl)-[1,2,4]triazolo[1,5-a]quinoxalin-4-yl]-3-phenylpropanamide

N-[2,6-di(thiophen-3-yl)pyrimidin-4-yl]propanamide

2-(furan-2-yl)-N-phenyl-[1,2,4]triazolo[1,5-a]quinoxalin-4-amine

3-Benzyl-9-phenyl-1-pyridin-4-yl-pyrazolo[1',5':1,6]pyrimido[4,5-d]pyridazin-4(3H)-one

[4-(1,3-dimethyl-2,4-dioxo-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-(4-fluorophenyl)carbamate

N-[2,6-bis(2-fluorophenyl)pyrimidin-4-yl]acetamide

N-[2,6-bis(furan-3-yl)pyrimidin-4-yl]acetamide

2-imino-8-methoxychromene-3-carboxamide

N-[2,6-bis(furan-3-yl)pyrimidin-4-yl]propanamide

1-ethyl-3-(furan-2-ylmethyl)-7-methyl-8-(thiophen-2-ylmethyl)purine-2,6-dione

N-(2,6-diphenylpyrimidin-4-yl)propanamide

5-[5-amino-2-(1,3-thiazol-2-yl)-[1,2,4]triazolo[1,5-c]pyrimidin-8-yl]-1-methylpyridin-2-one

2-(1-Methyl-2-phenylethylamino)adenosine

2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]-N-phenylacetamide

7-hydroxy-1,3-dipropyl-6-p-tolyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

8-benzyl-1-ethyl-3-(furan-2-ylmethyl)-7-methylpurine-2,6-dione

6-(4-(2-(4-benzylpiperazin-1-yl)-2-oxoethoxy)phenyl)-7-hydroxy-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

N-cyclopentyl-2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]acetamide

N-(4-bromophenyl)-2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]acetamide

N-(4-chloro-1H-benzimidazol-2-yl)benzamide

N-(4-bromophenyl)-2-[4-(7-hydroxy-2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenoxy]acetamide

N-[6-(2-fluorophenyl)-5-(3-fluoropyridin-4-yl)pyrazin-2-yl]cyclopropanecarboxamide

5-hydroxy-6-(4-hydroxyphenyl)-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

N-(2,6-diphenylpyrimidin-4-yl)butanamide

N-[2,6-bis(2-fluorophenyl)pyrimidin-4-yl]propanamide

6-(furan-2-yl)-7-hydroxy-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

1-ethyl-3,8-bis(furan-2-ylmethyl)-7-methylpurine-2,6-dione

2-Cyclopentyl-N-[6-(2-furyl)-5-pyridin-4-ylpyrazin-2-yl]acetamide

2-[[2-(furan-2-yl)-[1,2,4]triazolo[1,5-a]quinoxalin-4-yl]-(2-hydroxyethyl)amino]ethanol

N-[6-(furan-2-yl)-5-pyrimidin-4-ylpyrazin-2-yl]cyclopropanecarboxamide

N-(4-cyanophenyl)-2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]acetamide

N-(2,6-dithiophen-2-ylpyrimidin-4-yl)propanamide

[4-(2,4-dioxo-1,3-dipropyl-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl N-(4-fluorophenyl)carbamate

6-(4-Hydroxy-phenyl)-7-hydroxy-1,3-dipropyl-1Hpyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

1-ethyl-7-methyl-3,8-bis(thiophen-2-ylmethyl)purine-2,6-dione

N-[2-(4-hydroxyphenyl)ethyl]-2-imino-8-methoxychromene-3-carboxamide

1,3-dimethyl-6-p-tolyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

(2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-N-ethyl-3,4-dihydroxyoxolane-2-carboxamide

[4-(1,3-dimethyl-2,4-dioxo-5H-pyrrolo[3,2-d]pyrimidin-6-yl)phenyl]methyl 4-phenylpiperazine-1-carboxylate

N-[6-(furan-2-yl)-5-pyridin-4-ylpyrazin-2-yl]cyclobutanecarboxamide

N-[2,6-bis(2-fluorophenyl)pyrimidin-4-yl]butanamide

7-hydroxy-6-(4-nitrophenyl)-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

N-[6-(furan-2-yl)-5-pyridin-4-ylpyrazin-2-yl]cyclopentanecarboxamide

N-[5-(3-chloropyridin-4-yl)-6-(furan-2-yl)pyridin-2-yl]cyclopropanecarboxamide

N-(4-acetylphenyl)-2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]acetamide

3,8-bis(furan-2-ylmethyl)-1,7-dimethylpurine-2,6-dione

7-hydroxy-6-(4-methoxyphenyl)-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

N-[5-(3-fluoropyridin-4-yl)-6-(furan-2-yl)pyridin-2-yl]cyclopropanecarboxamide

(4-methylphenyl)methyl 5-amino-2-phenyltriazole-4-carboxylate

N-(2,6-dithiophen-2-ylpyrimidin-4-yl)butanamide

1,3-dipropyl-8-cyclopentylxanthine

8-Cyclopentyl-1,3-diethyl-3,7-dihydro-purine-2,6-dione

N-[2-(furan-2-yl)-[1,2,4]triazolo[1,5-a]quinoxalin-4-yl]-2-phenylacetamide

6-(4-aminophenyl)-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

N-(5,6-dipyridin-4-ylpyridin-2-yl)cyclopropanecarboxamide

6-(4-Amino-phenyl)-7-hydroxy-1,3-dipropyl-1H-pyrrolo-[3,2-d]pyrimidine-2,4(3H,5H)-dione

2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]-N-pyridin-2-ylacetamide

6-(furan-2-yl)-5-(pyrimidin-4-yl)-1H-pyrazolo[3,4-b]pyridin-3(2H)-one

8-[(2,6-difluorophenyl)methyl]-1-ethyl-7-methyl-3-(thiophen-2-ylmethyl)purine-2,6-dione

7-(furan-2-yl)-6-(pyrimidin-4-yl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione

N-[4,6-bis(4-methylsulfanylphenyl)pyrimidin-2-yl]propanamide

N-(4,6-diphenylpyrimidin-2-yl)cyclopentanecarboxamide

N-[6-(furan-2-yl)-5-pyridin-4-ylpyrazin-2-yl]-2-methylpropanamide

6-(4-methoxyphenyl)-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

N-[2-(furan-2-yl)-[1,2,4]triazolo[1,5-a]quinoxalin-4-yl]acetamide

N-(4,6-dithiophen-2-ylpyrimidin-2-yl)butanamide

N-(1H-benzimidazol-2-yl)-2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]acetamide

1-ethyl-3-(3-methoxypropyl)-8-(1H-pyrrol-2-yl)-7H-purine-2,6-dione

N-[6-(furan-2-yl)-5-pyridin-4-ylpyridin-2-yl]acetamide

2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]-N-(1,2-oxazol-3-yl)acetamide

1-ethyl-3-(3-methoxypropyl)-8-thiophen-2-yl-7H-purine-2,6-dione

1-ethyl-8-(furan-2-ylmethyl)-7-methyl-3-(thiophen-2-ylmethyl)purine-2,6-dione

N-(3,4-dihydro-1H-isoquinolin-2-yl)-2-[4-[1-ethyl-3-(3-methoxypropyl)-2,6-dioxo-7H-purin-8-yl]phenoxy]acetamide

N-[6-(furan-2-yl)-5-pyrimidin-4-ylpyridin-2-yl]cyclopropanecarboxamide

3-(furan-2-ylmethyl)-7-methyl-1-propyl-8-(thiophen-2-ylmethyl)purine-2,6-dione

6-(4-Amino-phenyl)-5-hydroxy-1,3-dipropyl-1H-pyrrolo-[3,2-d]pyrimidine-2,4(3H,5H)-dione

1-[5-amino-2-(3-methylphenyl)triazol-4-yl]-3-phenylpropan-1-one

(2R,3R,4S,5R)-2-(6-amino-2-chloropurin-9-yl)-5-(2-ethyltetrazol-5-yl)oxolane-3,4-diol

N-(2,6-diphenylpyrimidin-4-yl)acetamide

6-(4-(2-(4-benzylpiperazin-1-yl)-2-oxoethoxy)phenyl)-1,3-dipropyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione

(2R,3R,4S,5R)-2-{6-Amino-2-[(S)-2-(4-chloro-phenyl)-1-hydroxymethyl-ethylamino]-purin-9-yl}-5-(2-ethyl-2H-tetrazol-5-yl)-tetrahydro-furan-3,4-diol

ethyl 2-methyl-4-(1,3-oxazol-5-yl)-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate