| 1 | 6991-06-6 | NSC38837 | NSC38837 | C12H10N4O
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| 2 | 152633-54-0 | Win-62005 | Win-62005 | C12H10N4O
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| 3 | 14013-11-7 | 9H-嘌呤-6(1H)-酮,9-苄基- | 9-Benzylinosine | C12H10N4O
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| 4 | 57500-07-9 | 6-苄氧基嘌呤 | 6-Benzyloxypurine | C12H10N4O
| 嘌呤;对照品;药物杂质及中间体 | |
| 5 | | BUTTPARK 126\40-80 | BUTTPARK 126\40-80 | C12H10N4O
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| 6 | 141354-29-2 | 奥普力农杂质A | Olprinone Impurity A | C12H10N4O
| 杂质对照品;对照品-杂质对照品 | 对照品-杂质对照品;杂质对照品 |
| 7 | 73972-55-1 | 6-(o-Tolyloxy)-1H-purine | 6-(o-Tolyloxy)-1H-purine | C12H10N4O
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| 8 | 73941-32-9 | 9-(m-Tolyl)-9H-purin-6(1H)-one | 9-(m-Tolyl)-9H-purin-6(1H)-one | C12H10N4O
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| 9 | | 7-Benzylaminooxazolo[5,4-d]pyrimidine | 7-Benzylaminooxazolo[5,4-d]pyrimidine | C12H10N4O
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| 10 | 15017-27-3 | N'-(2-Pyridylmethylene)nicotinohydrazide | N'-(2-Pyridylmethylene)nicotinohydrazide | C12H10N4O
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| 11 | | 1-BENZYL-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-OL | 1-BENZYL-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-OL | C12H10N4O
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| 12 | | 2'-(4-PYRIDYLMETHYLENE)ISONICOTINOHYDRAZIDE | 2'-(4-PYRIDYLMETHYLENE)ISONICOTINOHYDRAZIDE | C12H10N4O
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| 13 | | 5-Benzyl[1,2,4]triazolo[1,5-a]pyrimidin-7-ol | 5-Benzyl[1,2,4]triazolo[1,5-a]pyrimidin-7-ol | C12H10N4O
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| 14 | 13025-99-5 | N'-(吡啶-4-基亚甲基)异烟酰肼 | N'-(Pyridin-4-ylmethylene)isonicotinohydrazide | C12H10N4O
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| 15 | | 2-[1H-Imidazo[4,5-b]pyridin-2-yl]-5-aminophenol | 2-[1H-Imidazo[4,5-b]pyridin-2-yl]-5-aminophenol | C12H10N4O
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| 16 | 237435-29-9 | 2-amino-6-phenyl-5H-pyrrolo[3,2-d]pyrimidin-4-ol | 2-amino-6-phenyl-5H-pyrrolo[3,2-d]pyrimidin-4-ol | C12H10N4O
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| 17 | 344359-60-0 | 3-(4-amino-7H-pyrrolo[2,3-d]pyrimidin-5-yl)phenol | 3-(4-amino-7H-pyrrolo[2,3-d]pyrimidin-5-yl)phenol | C12H10N4O
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| 18 | 1049032-01-0 | {4-[5-(2-FURYL)-1H-1,2,4-TRIAZOL-3-YL]PHENYL}AMINE | {4-[5-(2-Furyl)-1H-1,2,4-triazol-3-yl]phenyl}amine | C12H10N4O
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| 19 | 1081141-56-1 | 5-(4-methoxyphenyl)[1,2,4]triazolo[4,3-a]pyrimidine | 5-(4-methoxyphenyl)[1,2,4]triazolo[4,3-a]pyrimidine | C12H10N4O
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| 20 | | N-(2-cyanophenyl)-1-methyl-1H-pyrazole-4-carboxamide | N-(2-cyanophenyl)-1-methyl-1H-pyrazole-4-carboxamide | C12H10N4O
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| 21 | 1956324-34-7 | 1-(2-Aminopyridin-3-yl)-1H-benzo[d]imidazol-2(3H)-one | 1-(2-Aminopyridin-3-yl)-1H-benzo[d]imidazol-2(3H)-one | C12H10N4O
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| 22 | | 4,5-Dihydro-5-benzyl-1H-pyrazolo[3,4-d]pyrimidin-4-one | 4,5-Dihydro-5-benzyl-1H-pyrazolo[3,4-d]pyrimidin-4-one | C12H10N4O
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| 23 | | 3-(4-acetyl-5-methyl-1H-1,2,3-triazol-1-yl)benzonitrile | 3-(4-acetyl-5-methyl-1H-1,2,3-triazol-1-yl)benzonitrile | C12H10N4O
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| 24 | | 7-AZIDO-2,3-DIHYDRO-1H,5H-PYRIDO[3,2,1-IJ]QUINOLIN-5-ONE | 7-AZIDO-2,3-DIHYDRO-1H,5H-PYRIDO[3,2,1-IJ]QUINOLIN-5-ONE | C12H10N4O
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| 25 | 257299-41-5 | N'-[(E)-pyridin-2-ylmethylidene]pyridine-4-carbohydrazide | N'-[(E)-pyridin-2-ylmethylidene]pyridine-4-carbohydrazide | C12H10N4O
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| 26 | 344427-72-1 | N'-(3-cyano-4-(3-hydroxyphenyl)-1H-pyrrol-2-yl)formamidine | N'-(3-cyano-4-(3-hydroxyphenyl)-1H-pyrrol-2-yl)formamidine | C12H10N4O
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| 27 | 1803566-62-2 | 3-[4-formyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl]propanenitrile | 3-[4-formyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl]propanenitrile | C12H10N4O
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| 28 | 287980-84-1 | 奈韦拉平杂质B(EP) | Nevirapine Anhydrous Imp. B (EP): 4-Methyl-5,11-dihydro-6H-d | C12H10N4O
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| 29 | 300398-03-2 | 1-(1H-1,2,3-Benzotriazol-1-ylmethyl)-1,2-dihydropyridin-2-one | 1-(1H-1,2,3-Benzotriazol-1-ylmethyl)-1,2-dihydropyridin-2-one | C12H10N4O
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| 30 | 35877-37-3 | 1,5-二氢-1-苄基-4H-吡唑并[3,4-D]嘧啶-4-酮 | 1,5-Dihydro-1-(phenylmethyl)-4H-pyrazolo[3,4-d]pyrimidin-4-one | C12H10N4O
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| 31 | 91974-63-9 | 6-methyl-1-phenyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one | 6-methyl-1-phenyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one | C12H10N4O
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| 32 | | 3-ETHYL-5-OXO-2-PHENYL-2,5-DIHYDRO-1,2,4-TRIAZINE-6-CARBONITRILE | 3-ETHYL-5-OXO-2-PHENYL-2,5-DIHYDRO-1,2,4-TRIAZINE-6-CARBONITRILE | C12H10N4O
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| 33 | 650628-09-4 | 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-1-(3-methylphenyl)- | 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-1-(3-methylphenyl)- | C12H10N4O
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| 34 | 338977-03-0 | 4-([(2-AMINO-1-CYANO-2-METHOXYVINYL)IMINO]METHYL)BENZENECARBONITRILE | 4-([(2-AMINO-1-CYANO-2-METHOXYVINYL)IMINO]METHYL)BENZENECARBONITRILE | C12H10N4O
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| 35 | 171853-02-4 | 3,3-diamino-2-[(E)-(3-oxo-1H-indol-2-ylidene)methyl]prop-2-enenitrile | 3,3-diamino-2-[(E)-(3-oxo-1H-indol-2-ylidene)methyl]prop-2-enenitrile | C12H10N4O
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| 36 | 889939-65-5 | 7,8-DIMETHYL-1,2,3,9B-TETRAAZA-CYCLOPENTA[A]-NAPHTHALENE-4-CARBALDEHYDE | 7,8-DIMETHYL-1,2,3,9B-TETRAAZA-CYCLOPENTA[A]-NAPHTHALENE-4-CARBALDEHYDE | C12H10N4O
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| 37 | 303148-45-0 | 6-METHYL-4-OXO-1-(4-PYRIDINYLMETHYL)-1,4-DIHYDRO-5-PYRIMIDINECARBONITRILE | 6-METHYL-4-OXO-1-(4-PYRIDINYLMETHYL)-1,4-DIHYDRO-5-PYRIMIDINECARBONITRILE | C12H10N4O
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| 38 | | 3-METHYL-2-(4-METHYLPHENYL)-5-OXO-2,5-DIHYDRO-1,2,4-TRIAZINE-6-CARBONITRILE | 3-METHYL-2-(4-METHYLPHENYL)-5-OXO-2,5-DIHYDRO-1,2,4-TRIAZINE-6-CARBONITRILE | C12H10N4O
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