| 1 | 78205-22-8 | BRN 4468767 | BRN 4468767 | C9H10N4O3
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| 2 | 129960-90-3 | 3-azidotyrosine | 3-azidotyrosine | C9H10N4O3
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| 3 | 5614-53-9 | 多索茶碱杂质2 | Theophylline Impurity 1 | C9H10N4O3
| 杂质对照品;多索茶碱杂质 | |
| 4 | 31053-48-2 | 6-Propyl-2,4,7-pteridinetriol | 6-Propyl-2,4,7-pteridinetriol | C9H10N4O3
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| 5 | 52376-81-5 | 4'-Nitroacetophenone semicarbazone | 4'-Nitroacetophenone semicarbazone | C9H10N4O3
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| 6 | 923170-86-9 | 4-(3-Nitro-2-pyridinyl)-2-piperazinone | 4-(3-Nitro-2-pyridinyl)-2-piperazinone | C9H10N4O3
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| 7 | 73978-86-6 | 2,4-dimethoxy-6-methyl-7(8H)-pteridinone | 2,4-dimethoxy-6-methyl-7(8H)-pteridinone | C9H10N4O3
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| 8 | | 1-(5-Nitro-2H-benzotriazol-2-yl)-1-propanol | 1-(5-Nitro-2H-benzotriazol-2-yl)-1-propanol | C9H10N4O3
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| 9 | | N-Propyl-7-nitro-2,1,3-benzoxadiazole-4-amine | N-Propyl-7-nitro-2,1,3-benzoxadiazole-4-amine | C9H10N4O3
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| 10 | 2625-21-0 | 1,3,6-trimethyl-2,4,7(1H,3H,8H)-Pteridinetrione | 1,3,6-trimethyl-2,4,7(1H,3H,8H)-Pteridinetrione | C9H10N4O3
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| 11 | 2614-42-8 | 7-methoxy-1,3-dimethyl-2,4(1H,3H)-pteridinedione | 7-methoxy-1,3-dimethyl-2,4(1H,3H)-pteridinedione | C9H10N4O3
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| 12 | 5019-58-9 | 1H-1,2,4-Triazole, 5-(5-nitro-2-furanyl)-3-propyl- | 1H-1,2,4-Triazole, 5-(5-nitro-2-furanyl)-3-propyl- | C9H10N4O3
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| 13 | 156756-52-4 | 5,7-dimethoxyimidazo<1,2-a>pyrimidine-2-carboxamide | 5,7-dimethoxyimidazo<1,2-a>pyrimidine-2-carboxamide | C9H10N4O3
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| 14 | 1097254-99-3 | 4-Pyrimidinecarboxylic acid, 6-(3-oxo-1-piperazinyl)- | 4-Pyrimidinecarboxylic acid, 6-(3-oxo-1-piperazinyl)- | C9H10N4O3
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| 15 | | N-(2-furylmethyl)-1-methyl-4-nitro-1H-imidazol-5-amine | N-(2-furylmethyl)-1-methyl-4-nitro-1H-imidazol-5-amine | C9H10N4O3
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| 16 | 103262-72-2 | 2,4,6(3H)-Pteridinetrione, 1,5-dihydro-1,3,5-trimethyl- | 2,4,6(3H)-Pteridinetrione, 1,5-dihydro-1,3,5-trimethyl- | C9H10N4O3
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| 17 | 1043907-94-3 | 1-([1,2,4]triazolo[1,5-a]pyridin-6-yl)-2-nitropropan-1-ol | 1-([1,2,4]triazolo[1,5-a]pyridin-6-yl)-2-nitropropan-1-ol | C9H10N4O3
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| 18 | 3185-95-3 | N-(2-氰基乙基)-1-甲基-4-硝基-1H-吡咯-2-甲酰胺 | N-(2-Cyanoethyl)-1-methyl-4-nitro-1H-pyrrole-2-carboxamide | C9H10N4O3
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| 19 | 5019-59-0 | 1H-1,2,4-Triazole, 3-(1-methylethyl)-5-(5-nitro-2-furanyl)- | 1H-1,2,4-Triazole, 3-(1-methylethyl)-5-(5-nitro-2-furanyl)- | C9H10N4O3
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| 20 | | ETHYL 2-ACETYL-3H-IMIDAZO[1,5-B][1,2,4]TRIAZOLE-7-CARBOXYLATE | ETHYL 2-ACETYL-3H-IMIDAZO[1,5-B][1,2,4]TRIAZOLE-7-CARBOXYLATE | C9H10N4O3
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| 21 | 90674-09-2 | Ethyl 7-amino-5-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate | Ethyl 7-amino-5-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate | C9H10N4O3
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| 22 | 117525-95-8 | 7-AMINO-1,3-DIMETHYL-1H,8H-PYRIDO[2,3-D]PYRIMIDINE-2,4,5-TRIONE | 7-AMINO-1,3-DIMETHYL-1H,8H-PYRIDO[2,3-D]PYRIMIDINE-2,4,5-TRIONE | C9H10N4O3
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| 23 | 24786-50-3 | 5-氨基-1,3-二甲基-6-硝基-1,3-二氢-2H-苯并[D]咪唑-2-酮 | 2H-Benzimidazol-2-one, 5-amino-1,3-dihydro-1,3-dimethyl-6-nitro- | C9H10N4O3
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| 24 | 1439896-56-6 | 1439896-56-6 | 6-[2-Oxo-tetrahydropyrimidin-1(2H)-yl]pyrimidine-4-carboxylic acid | C9H10N4O3
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| 25 | | 1-METHYL-4-NITRO-1H-PYRROLE-2-CARBOXYLIC ACID (2-CYANO-ETHYL)-AMIDE | 1-METHYL-4-NITRO-1H-PYRROLE-2-CARBOXYLIC ACID (2-CYANO-ETHYL)-AMIDE | C9H10N4O3
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| 26 | 156463-84-2 | 7-氨基-5-甲基-[1,2,5]噁二唑并[3,4-B]吡啶-6-羧酸乙酯 | ethyl 7-amino-5-methyl-[1,2,5]oxadiazolo[3,4-b]pyridine-6-carboxylate | C9H10N4O3
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| 27 | 1466565-59-2 | 2-氨基-5-氧代-4,5-二氢吡唑啉[1,5-a]嘧啶-3-羧酸乙酯 | Ethyl 2-amino-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate | C9H10N4O3
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| 28 | | 5-[(2-ETHYL-1H-IMIDAZOL-1-YL)METHYL]-1,2,4-OXADIAZOLE-3-CARBOXYLIC ACID | 5-[(2-ETHYL-1H-IMIDAZOL-1-YL)METHYL]-1,2,4-OXADIAZOLE-3-CARBOXYLIC ACID | C9H10N4O3
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| 29 | 929974-18-5 | 2-氨基-4-甲氧基-7-甲基-7H-吡咯并[2,3-D]嘧啶-6-羧酸 | 2-AMINO-4-METHOXY-7-METHYL-7H-PYRROLO[2,3-D]PYRIMIDINE-6-CARBOXYLIC ACID | C9H10N4O3
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| 30 | 1480742-93-5 | 5-(1-乙基-3-甲基-1H-吡唑-5-基)-1,2,4-噁二唑-3-羧酸 | 1,2,4-Oxadiazole-3-carboxylic acid, 5-(1-ethyl-3-methyl-1H-pyrazol-5-yl)- | C9H10N4O3
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| 31 | 92474-94-7 | 3,8,10-trimethyl-3,5,8,10-tetrazabicyclo[4.4.0]deca-4,11-diene-2,7,9-trione | 3,8,10-trimethyl-3,5,8,10-tetrazabicyclo[4.4.0]deca-4,11-diene-2,7,9-trione | C9H10N4O3
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| 32 | 923216-53-9 | 3-(1-Methyl-4-oxo-1,4-dihydro-pyrazolo[3,4-d]-pyrimidin-5-yl)-propionic acid | 3-(1-Methyl-4-oxo-1,4-dihydro-pyrazolo[3,4-d]-pyrimidin-5-yl)-propionic acid | C9H10N4O3
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| 33 | | 3-(1-METHYL-4-OXO-4,5-DIHYDRO-1H-PYRAZOLO[3,4-D]PYRIMIDIN-6-YL)PROPANOIC ACID | 3-(1-METHYL-4-OXO-4,5-DIHYDRO-1H-PYRAZOLO[3,4-D]PYRIMIDIN-6-YL)PROPANOIC ACID | C9H10N4O3
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| 34 | 1344042-66-5 | 5-(1-甲基-1H-吡唑-4-基)-1,2,4-噁二唑-3-羧酸乙酯 | 1,2,4-Oxadiazole-3-carboxylic acid, 5-(1-methyl-1H-pyrazol-4-yl)-, ethyl ester | C9H10N4O3
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| 35 | 883550-10-5 | (3,7-二甲基-5-羰基-5,8-二氢-[1,2,4]三恶唑并-[4,3-A]嘧啶-6-基)-乙酸 | (3,7-DIMETHYL-5-OXO-5,8-DIHYDRO-[1,2,4]TRIAZOLO-[4,3-A]PYRIMIDIN-6-YL)-ACETIC ACID | C9H10N4O3
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| 36 | 878441-48-6 | 3-(5-甲基-7-氧代-4,7-二氢[1,2,4]三唑并[1,5-A]嘧啶-6-基)丙酸 | 3-(5-METHYL-7-OXO-4,7-DIHYDRO-[1,2,4]TRIAZOLO-[1,5-A]PYRIMIDIN-6-YL)-PROPIONIC ACID | C9H10N4O3
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| 37 | 1095822-63-1 | 6,7,8,9-Tetrahydro-6-methyl-8-oxo-5H-pyrimido-[4,5-e][1,4]diazepine-4-carboxylic acid | 6,7,8,9-Tetrahydro-6-methyl-8-oxo-5H-pyrimido-[4,5-e][1,4]diazepine-4-carboxylic acid | C9H10N4O3
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| 38 | 887352-46-7 | 2-氨基-1,6-二甲基咪唑并吡啶 | 3-(6-AMINO-1,3-DIMETHYL-2,4-DIOXO-1,2,3,4-TETRAHYDRO-5-PYRIMIDINYL)-3-OXOPROPANENITRILE | C9H10N4O3
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| 39 | 112735-05-4 | 3-(6-AMINO-1,3-DIMETHYL-2,4-DIOXO-1,2,3,4-TETRAHYDRO-PYRIMIDIN-5-YL)-3-OXO-PROPIONITRILE | 3-(6-AMINO-1,3-DIMETHYL-2,4-DIOXO-1,2,3,4-TETRAHYDRO-PYRIMIDIN-5-YL)-3-OXO-PROPIONITRILE | C9H10N4O3
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