| 1 | 1429636-73-6 | 多索茶碱杂质7 | Doxofylline Impurity 7 | C9H12N4O4
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| 2 | 31872-72-7 | 3,5-DINITRO-4-DIETHYLAMINOPYRIDINE | 3,5-DINITRO-4-DIETHYLAMINOPYRIDINE | C9H12N4O4
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| 3 | | N'-BUTYROYL-5-NITRO-2-FUROHYDRAZIDEIMIDE | N'-BUTYROYL-5-NITRO-2-FUROHYDRAZIDEIMIDE | C9H12N4O4
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| 4 | 436161-77-2 | tert-butyl 5-nitropyrimidin-2-ylcarbamate | tert-butyl 5-nitropyrimidin-2-ylcarbamate | C9H12N4O4
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| 5 | 23920-00-5 | 1,3-Propanediamine, N1-(2,4-dinitrophenyl)- | 1,3-Propanediamine, N1-(2,4-dinitrophenyl)- | C9H12N4O4
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| 6 | 3757-31-1 | N(SUP.2)-BUTYROYL-5-NITRO-2-FUROHYDRAZIDEIMIDE | N(SUP.2)-BUTYROYL-5-NITRO-2-FUROHYDRAZIDEIMIDE | C9H12N4O4
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| 7 | 41980-32-9 | 5,5'-(propane-1,3-diyl)bisimidazolidine-2,4-dione | 5,5'-(propane-1,3-diyl)bisimidazolidine-2,4-dione | C9H12N4O4
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| 8 | 478801-48-8 | 2,5-DIOXOPYRROLIDIN-1-YL 5-AZIDOPENTANOATE | 2,5-Pyrrolidinedione, 1-[(5-azido-1-oxopentyl)oxy]- | C9H12N4O4
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| 9 | | 9-[(2R,3S)-2,3,4-Trihydroxybutyl]-9H-purin-6(1H)-one | 9-[(2R,3S)-2,3,4-Trihydroxybutyl]-9H-purin-6(1H)-one | C9H12N4O4
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| 10 | 103069-47-2 | 4-(2-AZIDOETHOXY)-3-OXO-BUTANOIC ACID 2-CYANOETHYL ESTER | 4-(2-Azidoethoxy)-3-oxo-butanoic Acid 2-Cyanoethyl Ester | C9H12N4O4
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| 11 | | 2,6-diacetyl-2,4,6,8-tetraazabicyclo[3.3.1]nonane-3,7-dione | 2,6-diacetyl-2,4,6,8-tetraazabicyclo[3.3.1]nonane-3,7-dione | C9H12N4O4
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| 12 | 55356-26-8 | N-(2-Carbamoylethyl)-1-methyl-4-nitro-1H-pyrrole-2-carboxamide | N-(2-Carbamoylethyl)-1-methyl-4-nitro-1H-pyrrole-2-carboxamide | C9H12N4O4
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| 13 | 62637-09-6 | 二羟丙茶碱杂质5 | 1H-Purine-2,6-dione, 7-(2,3-dihydroxypropyl)-3,7-dihydro-3-methyl- | C9H12N4O4
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| 14 | | 4-[N'-(5-METHYL-2H-PYRAZOLE-3-CARBONYL)-HYDRAZINO]-4-OXO-BUTYRIC ACID | 4-[N'-(5-METHYL-2H-PYRAZOLE-3-CARBONYL)-HYDRAZINO]-4-OXO-BUTYRIC ACID | C9H12N4O4
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| 15 | 944779-25-3 | 4-{2-[(3-methyl-1H-pyrazol-5-yl)carbonyl]hydrazino}-4-oxobutanoic acid | 4-{2-[(3-methyl-1H-pyrazol-5-yl)carbonyl]hydrazino}-4-oxobutanoic acid | C9H12N4O4
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| 16 | 16008-54-1 | 5,6,7,8-Tetrahydro-6,7-dihydroxy-4-pteridinecarboxylic acid ethyl ester | 5,6,7,8-Tetrahydro-6,7-dihydroxy-4-pteridinecarboxylic acid ethyl ester | C9H12N4O4
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| 17 | | 3-(Methoxycarbonyl)-5-(dimethylamino)-6-(methoxycarbonyl)-1,2,4-triazine | 3-(Methoxycarbonyl)-5-(dimethylamino)-6-(methoxycarbonyl)-1,2,4-triazine | C9H12N4O4
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| 18 | | 4-hydroxy-1-[2-(1H-1,2,4-triazol-1-yl)acetyl]pyrrolidine-2-carboxylic acid | 4-hydroxy-1-[2-(1H-1,2,4-triazol-1-yl)acetyl]pyrrolidine-2-carboxylic acid | C9H12N4O4
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| 19 | 102369-85-7 | ethyl [(6-amino-1-methyl-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl)imino]acetate | ethyl [(6-amino-1-methyl-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl)imino]acetate | C9H12N4O4
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| 20 | 202121-51-5 | Acetamide, N,N-(1,2,3,6-tetrahydro-1-methyl-2,6-dioxo-4,5-pyrimidinediyl)bis- (9CI) | Acetamide, N,N-(1,2,3,6-tetrahydro-1-methyl-2,6-dioxo-4,5-pyrimidinediyl)bis- (9CI) | C9H12N4O4
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| 21 | 330982-52-0 | 8aH-Pyrrolo[3,2-e]-2,1,3-benzoxadiazol-8a-ol,7-amino-4,5,7,8-tetrahydro-7-methyl-,3,6-dioxide(9CI) | 8aH-Pyrrolo[3,2-e]-2,1,3-benzoxadiazol-8a-ol,7-amino-4,5,7,8-tetrahydro-7-methyl-,3,6-dioxide(9CI) | C9H12N4O4
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| 22 | 164355-85-5 | 8aH-Pyrrolo[3,2-e]-2,1,3-benzoxadiazol-8a-ol,5a-amino-4,5,5a,8-tetrahydro-7-methyl-,3,6-dioxide(9CI) | 8aH-Pyrrolo[3,2-e]-2,1,3-benzoxadiazol-8a-ol,5a-amino-4,5,5a,8-tetrahydro-7-methyl-,3,6-dioxide(9CI) | C9H12N4O4
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| 23 | 302776-79-0 | 8aH-Pyrrolo[3,2-e]-2,1,3-benzoxadiazol-8a-ol,5a-amino-4,5,5a,8-tetrahydro-7-methyl-,3,6-dioxide,(5aR,8aR)-rel-(9CI) | 8aH-Pyrrolo[3,2-e]-2,1,3-benzoxadiazol-8a-ol,5a-amino-4,5,5a,8-tetrahydro-7-methyl-,3,6-dioxide,(5aR,8aR)-rel-(9CI) | C9H12N4O4
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