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核苷和核苷酸类似物

中文名称 英文名称 CAS号 化学式 结构式图片
—— (1R,2R,3R)-1-(2-benzyloxy-3-hydroxymethylcyclopentyl)uracil 1087192-71-9 C17H20N2O4
(1R,2R,3R)-1-(2-benzyloxy-3-hydroxymethylcyclopentyl)uracil
—— (+/-)-1-[4,4-bis(hydroxymethyl)-5-methylenecyclopent-2-enyl]cytosine 1160714-38-4 C12H15N3O3
(+/-)-1-[4,4-bis(hydroxymethyl)-5-methylenecyclopent-2-enyl]cytosine
—— (+/-)-1-[4,4-bis(hydroxymethyl)-5-methylenecyclopent-2-enyl]thymine 1160714-34-0 C13H16N2O4
(+/-)-1-[4,4-bis(hydroxymethyl)-5-methylenecyclopent-2-enyl]thymine
—— 2-amino-5-(α-<i>D</i>-<i>erythro</i>-2-deoxy-pentofuranosyl)-3<i>H</i>-pyrimidin-4-one 65358-19-2 C9H13N3O4
2-amino-5-(α-<i>D</i>-<i>erythro</i>-2-deoxy-pentofuranosyl)-3<i>H</i>-pyrimidin-4-one
—— (-)-(2S,5S)-5-chloro-1-<2-(hydroxymethyl)-1,3-oxathiolan-5-yl>cytosine 149819-52-3 C8H10ClN3O3S
(-)-(2S,5S)-5-chloro-1-<2-(hydroxymethyl)-1,3-oxathiolan-5-yl>cytosine
—— [(2R,3R,4R,5R)-2-(6-aminopurin-9-yl)-5-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenylpropanoate 1005483-17-9 C53H71N15O22P2S
[(2R,3R,4R,5R)-2-(6-aminopurin-9-yl)-5-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenylpropanoate
—— bis[[(2R,5S)-5-(4-acetamido-2-oxopyrimidin-1-yl)-1,3-oxathiolan-2-yl]methyl] pentanedioate 1058191-57-3 C25H30N6O10S2
bis[[(2R,5S)-5-(4-acetamido-2-oxopyrimidin-1-yl)-1,3-oxathiolan-2-yl]methyl] pentanedioate
—— 2-amino-5-β-<i>D</i>-arabinofuranosyl-3<i>H</i>-pyrimidin-4-one 61403-53-0 C9H13N3O5
2-amino-5-β-<i>D</i>-arabinofuranosyl-3<i>H</i>-pyrimidin-4-one
—— [(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenyl(113C)propanoate 1005482-61-0 C53H71N15O22P2S
[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenyl(113C)propanoate
—— 5-(α-<i>D</i>-<i>erythro</i>-2-deoxy-pentofuranosyl)-1,3-dimethyl-1<i>H</i>-pyrimidine-2,4-dione 65358-17-0 C11H16N2O5
5-(α-<i>D</i>-<i>erythro</i>-2-deoxy-pentofuranosyl)-1,3-dimethyl-1<i>H</i>-pyrimidine-2,4-dione
—— 5-(Butylamino)-1-[3-hydroxy-4-(hydroxymethyl)cyclopentyl]pyrimidine-2,4-dione 87422-01-3 C14H23N3O4
5-(Butylamino)-1-[3-hydroxy-4-(hydroxymethyl)cyclopentyl]pyrimidine-2,4-dione
—— (1S,2R,5R)-5-(2-amino-6-hydroxy-purin-9-yl)-3-(hydroxymethyl)-1-methyl-cyclopent-3-ene-1,2-diol 1040918-26-0 C12H15N5O4
(1S,2R,5R)-5-(2-amino-6-hydroxy-purin-9-yl)-3-(hydroxymethyl)-1-methyl-cyclopent-3-ene-1,2-diol
—— 4-amino-1-[(1R,4R,5S)-4,5-dihydroxy-3-(hydroxymethyl)-5-methyl-cyclopent-2-en-1-yl]pyrimidin-2-one 1040918-46-4 C11H15N3O4
4-amino-1-[(1R,4R,5S)-4,5-dihydroxy-3-(hydroxymethyl)-5-methyl-cyclopent-2-en-1-yl]pyrimidin-2-one
—— 1-[(1R,4R,5S)-4,5-dihydroxy-3-(hydroxymethyl)-5-methyl-cyclopent-2-en-1-yl]-4-hydroxy-pyrimidin-2-one 1040918-44-2 C11H14N2O5
1-[(1R,4R,5S)-4,5-dihydroxy-3-(hydroxymethyl)-5-methyl-cyclopent-2-en-1-yl]-4-hydroxy-pyrimidin-2-one
—— [5-(6-aminopurin-9-yl)-3-[[5-(6-aminopurin-9-yl)-3-[[5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methyl [5-(6-aminopurin-9-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] hydrogen phosphate 108217-07-8 C40H49N20O22P3
[5-(6-aminopurin-9-yl)-3-[[5-(6-aminopurin-9-yl)-3-[[5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methyl [5-(6-aminopurin-9-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] hydrogen phosphate
—— [(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenylpropanoate 1005482-60-9 C53H71N15O22P2S
[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenylpropanoate
—— phenyl-[methoxy-L-alaninyl]-[((1R,3R,4R,7S)-3-(adenine-9-yl)-7-hydroxy-2,5-dioxabicyclo[2:2:1]heptane-1-yl)methyl] phosphate 936616-52-3 C21H25N6O8P
phenyl-[methoxy-L-alaninyl]-[((1R,3R,4R,7S)-3-(adenine-9-yl)-7-hydroxy-2,5-dioxabicyclo[2:2:1]heptane-1-yl)methyl] phosphate
—— [4-[2-Amino-6-(cyclopropylamino)purin-9-yl]cyclopent-2-en-1-yl]methyl 2-hydroxyacetate —— C16H20N6O3
[4-[2-Amino-6-(cyclopropylamino)purin-9-yl]cyclopent-2-en-1-yl]methyl 2-hydroxyacetate
—— [(2R,3R,4R,5R)-5-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-2-(6-aminopurin-9-yl)-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenyl(113C)propanoate 1005483-23-7 C53H71N15O22P2S
[(2R,3R,4R,5R)-5-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-2-(6-aminopurin-9-yl)-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenyl(113C)propanoate
—— [(2R,3S,4R,5R)-2-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-5-(6-aminopurin-9-yl)-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenyl(113C)propanoate 1005482-66-5 C53H71N15O22P2S
[(2R,3S,4R,5R)-2-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-5-(6-aminopurin-9-yl)-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenyl(113C)propanoate
—— [(2R,3R,4R,5R)-2-(6-aminopurin-9-yl)-5-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenyl(113C)propanoate 1005483-18-0 C53H71N15O22P2S
[(2R,3R,4R,5R)-2-(6-aminopurin-9-yl)-5-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(4-(15N)azanyl-2-oxo(315N)pyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] (2S)-2-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoylamino]-3-phenyl(113C)propanoate
—— phenyl-[methoxy-L-alaninyl]-[((1R,3R,4R,7R)-3-(adenine-9-yl)-7-hydroxy-2,5-dioxabicyclo[2:2:1]heptane-1-yl)methyl] phosphate 936616-50-1 C21H25N6O8P
phenyl-[methoxy-L-alaninyl]-[((1R,3R,4R,7R)-3-(adenine-9-yl)-7-hydroxy-2,5-dioxabicyclo[2:2:1]heptane-1-yl)methyl] phosphate
—— pseudoisocytidine 59464-15-2 C9H13N3O5*ClH
pseudoisocytidine
—— 2',3'-O-(4-(Chloroethylmethylamino)benzylidene)hexaadenylate 41787-37-5 C70H81ClN31O34P5
2',3'-O-(4-(Chloroethylmethylamino)benzylidene)hexaadenylate
—— 4'-Thiocordycepin 66679-15-0 C10H13N5O2S
4'-Thiocordycepin
—— 4-amino-5-β-<i>D</i>-arabinofuranosyl-1(3)<i>H</i>-pyrimidin-2-one 64891-50-5 C9H13N3O5
4-amino-5-β-<i>D</i>-arabinofuranosyl-1(3)<i>H</i>-pyrimidin-2-one
—— [4-[2-Amino-6-(cyclopropylamino)-9-purinyl]-1-cyclopent-2-enyl]methanol; sulfuric acid —— C14H20N6O5S
[4-[2-Amino-6-(cyclopropylamino)-9-purinyl]-1-cyclopent-2-enyl]methanol; sulfuric acid
—— 5-amino-2-(<i>O</i><sup>5</sup>-benzoyl-β-<i>D</i>-ribofuranosyl)-1(3)<i>H</i>-imidazole-4-carbonitrile 55628-58-5 C16H16N4O5
5-amino-2-(<i>O</i><sup>5</sup>-benzoyl-β-<i>D</i>-ribofuranosyl)-1(3)<i>H</i>-imidazole-4-carbonitrile
—— 5-[(2S,3R,4S,5S)-5-(bromomethyl)-3,4-dihydroxyoxolan-2-yl]-1,3-dimethylpyrimidine-2,4-dione 84829-09-4 C11H15BrN2O5
5-[(2S,3R,4S,5S)-5-(bromomethyl)-3,4-dihydroxyoxolan-2-yl]-1,3-dimethylpyrimidine-2,4-dione
—— 5-[(2S,3R,4S,5S)-5-(chloromethyl)-3,4-dihydroxyoxolan-2-yl]-1,3-dimethylpyrimidine-2,4-dione 84829-08-3 C11H15ClN2O5
5-[(2S,3R,4S,5S)-5-(chloromethyl)-3,4-dihydroxyoxolan-2-yl]-1,3-dimethylpyrimidine-2,4-dione
—— 5-((2S,3S,4R,5R)-3-Chloro-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-1,3-dimethyl-1H-pyrimidine-2,4-dione 103781-81-3 C11H15ClN2O5
5-((2S,3S,4R,5R)-3-Chloro-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-1,3-dimethyl-1H-pyrimidine-2,4-dione
—— 9-(5-methyl-2-furyl)adenine 6979-90-4 C10H9N5O
9-(5-methyl-2-furyl)adenine
—— (2R,3S,5R)-5-(2-amino-6-propan-2-yloxypurin-7-yl)-2-(hydroxymethyl)oxolan-3-ol 193905-42-9 C13H19N5O4
(2R,3S,5R)-5-(2-amino-6-propan-2-yloxypurin-7-yl)-2-(hydroxymethyl)oxolan-3-ol
—— N-[7-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-6-methoxy-7H-purin-2-yl]-formamide 193905-48-5 C12H15N5O5
N-[7-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-6-methoxy-7H-purin-2-yl]-formamide
—— 2'-deoxy-3-methyl-ψ-uridine 81691-10-3 C10H14N2O5
2'-deoxy-3-methyl-ψ-uridine
—— [(2S,5S)-5-(6-Methylamino-purin-9-yl)-tetrahydro-thiophen-2-yl]-methanol 137719-34-7 C11H15N5OS
[(2S,5S)-5-(6-Methylamino-purin-9-yl)-tetrahydro-thiophen-2-yl]-methanol
—— guanosine 2',3'-O,O-cyclophosphorothioate 24873-89-0 C10H12N5O6PS
guanosine 2',3'-O,O-cyclophosphorothioate
—— Cyclopentenylcytosine 6-triphosphate 118045-71-9 C10H16N3O13P3
Cyclopentenylcytosine 6-triphosphate
—— (6S,8S)-8-hydroxy-3-[(2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-methyl-4,6,7,8-tetrahydropyrimido[1,2-a]purin-10-one —— C14H19N5O5
(6S,8S)-8-hydroxy-3-[(2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-methyl-4,6,7,8-tetrahydropyrimido[1,2-a]purin-10-one
—— 1,N<sup>2</sup>-(1,2-dihydroxy-2-methyl)ethano-2'-deoxyguanosine —— C13H17N5O6
1,N<sup>2</sup>-(1,2-dihydroxy-2-methyl)ethano-2'-deoxyguanosine
—— Thymidine, 2',3'-didehydro-alpha,alpha,alpha-trifluoro- 64381-92-6 C10H9F3N2O5
Thymidine, 2',3'-didehydro-alpha,alpha,alpha-trifluoro-
—— Thymidine, 2',3'-didehydro- 64295-01-8 C10H12N2O5
Thymidine, 2',3'-didehydro-
—— 2-Amino-5-[[3-(6-aminopurin-9-yl)-4,5-dihydroxycyclopenten-1-yl]methylsulfonio]pentanoate 90700-92-8 C16H22N6O4S
2-Amino-5-[[3-(6-aminopurin-9-yl)-4,5-dihydroxycyclopenten-1-yl]methylsulfonio]pentanoate
—— (6R,8R)-8-hydroxy-3-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-methyl-4,6,7,8-tetrahydropyrimido[1,2-a]purin-10-one —— C14H19N5O5
(6R,8R)-8-hydroxy-3-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-methyl-4,6,7,8-tetrahydropyrimido[1,2-a]purin-10-one
—— 4-amino-1-[(2R)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2-one 141196-85-2 C8H11N3O4
4-amino-1-[(2R)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2-one
—— Neplanocin B 72877-49-7 C11H13N5O4
Neplanocin B
—— 5-Fluoro-1-[3-hydroxy-4-(hydroxymethyl)cyclopentyl]pyrimidine-2,4-dione 78336-03-5 C10H13FN2O4
5-Fluoro-1-[3-hydroxy-4-(hydroxymethyl)cyclopentyl]pyrimidine-2,4-dione
—— (+/-)-2-amino-1,9-dihydro-9-<(1α,3β,4α)-3-hydroxy-4-(hydroxymethyl)cyclopentyl>-6H-purin-6-one 91296-12-7 C11H15N5O3
(+/-)-2-amino-1,9-dihydro-9-<(1α,3β,4α)-3-hydroxy-4-(hydroxymethyl)cyclopentyl>-6H-purin-6-one
—— 9-(4-Thiopentofuranosyl)-9h-purin-6-amine 15023-77-5 C10H13N5O3S
9-(4-Thiopentofuranosyl)-9h-purin-6-amine
—— (6S,8R)-8-hydroxy-3-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-methyl-4,6,7,8-tetrahydropyrimido[1,2-a]purin-10-one —— C14H19N5O5
(6S,8R)-8-hydroxy-3-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-methyl-4,6,7,8-tetrahydropyrimido[1,2-a]purin-10-one