| 1 | 1417355-39-5 | 5-(2-迭氮基乙基)-3-甲基嘧啶-2,4(1H,3H)-二酮 | MFCD24849098 | C7H9N5O2
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| 2 | 81281-58-5 | 7-Aminotheophylline | 7-Aminotheophylline | C7H9N5O2
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| 3 | 1379264-18-2 | Ribavirin Impurity O | Ribavirin Impurity O | C7H9N5O2
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| 4 | 1202645-50-8 | 9-甲氧基甲基鸟嘌呤 | 9-MethoxyMethyl Guanine | C7H9N5O2
| 杂质对照品;对照品-杂质对照品 | |
| 5 | | 8(1-hydroxyethyl)guanine | 8(1-hydroxyethyl)guanine | C7H9N5O2
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| 6 | 23169-33-7 | 9-(2-羟乙基)鸟嘌呤 | 9-(2-Hydroxyethyl)guanine | C7H9N5O2
| 化工原料;杂质对照品;对照品-杂质对照品 | |
| 7 | 53498-52-5 | 2-氨基-7-(2-羟乙基)-1,7-二氢-6H-嘌呤-6-酮 | N7-(2-Hydroxyethyl)guanine | C7H9N5O2
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| 8 | 81281-47-2 | 5-Amino-3,7-dimethylxanthine | 5-Amino-3,7-dimethylxanthine | C7H9N5O2
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| 9 | 5112-36-7 | 吡啶-2,6-二甲酸二酰肼 | Pyridine-2,6-dicarbohydrazide | C7H9N5O2
| 有机化学;合成中间体;合成材料中间体 | |
| 10 | 856854-72-3 | N,N''-pyridine-2,6-diyl-di-urea | N,N''-pyridine-2,6-diyl-di-urea | C7H9N5O2
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| 11 | | 6-(2-Hydroxyethoxy)-9H-purine-2-amine | 6-(2-Hydroxyethoxy)-9H-purine-2-amine | C7H9N5O2
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| 12 | | Pyridine-2,3-di(carboxylic acid hydrazide) | Pyridine-2,3-di(carboxylic acid hydrazide) | C7H9N5O2
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| 13 | | 5-(3-ISOPROPOXY-ISOXAZOL-5-YL)-1H-TETRAZOLE | 5-(3-ISOPROPOXY-ISOXAZOL-5-YL)-1H-TETRAZOLE | C7H9N5O2
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| 14 | 138416-34-9 | | Guanidine, N-(3-aminophenyl)-N'-nitro- (9CI) | C7H9N5O2
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| 15 | 15420-53-8 | 3,5-吡啶二甲酸二酰肼(9CI)) | 3,5-Pyridinedicarboxylicacid,dihydrazide(9CI) | C7H9N5O2
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| 16 | 21379-40-8 | 托匹司他杂质68 | 2,4-Pyridinedicarboxylic acid, 2,4-dihydrazide | C7H9N5O2
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| 17 | 50545-09-0 | N2,N6-二羟基吡啶-2,6-双(甲脒) | N2,N6-Dihydroxypyridine-2,6-bis(carboximidamide) | C7H9N5O2
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| 18 | 683228-71-9 | | 1H-Purine-2,8(3H,7H)-dione, 6-amino-1,3-dimethyl- | C7H9N5O2
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| 19 | | 6-(1-Aziridinyl)-4-methyl-5-nitropyrimidin-2-amine | 6-(1-Aziridinyl)-4-methyl-5-nitropyrimidin-2-amine | C7H9N5O2
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| 20 | 34834-63-4 | 6-Propyltetrazolo[1,5-c]pyrimidine-5,7(6H,8H)-dione | 6-Propyltetrazolo[1,5-c]pyrimidine-5,7(6H,8H)-dione | C7H9N5O2
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| 21 | 64440-91-1 | | 2-Pyrimidinamine, 4-(1-aziridinyl)-6-methyl-5-nitro- | C7H9N5O2
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| 22 | 13223-43-3 | 2-氨基-5,7-二甲氧基-1,2,4-三嗪并[1,5-a]嘧啶 | 2-Amino-5,7-dimethoxy-1,2,4-triazolo[1,5-a]pyrimidine | C7H9N5O2
| 化工原料 | |
| 23 | 19410-53-8 | 1H-Purine-2,6-dione, 8-amino-3,7-dihydro-1,3-dimethyl- | 1H-Purine-2,6-dione, 8-amino-3,7-dihydro-1,3-dimethyl- | C7H9N5O2
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| 24 | 52296-11-4 | | 4,6-Pteridinedione, 2-amino-3,5,7,8-tetrahydro-5-methyl- | C7H9N5O2
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| 25 | 67304-67-0 | 3-氨基-5,7-二甲基-2H,4H,5H,6H,7H-吡唑并[3,4-D]嘧啶-4,6-二酮 | 3-amino-5,7-dimethyl-2H-pyrazolo[3,4-d]pyrimidine-4,6-dione | C7H9N5O2
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| 26 | 135329-77-0 | Ethanediimidamide, N,N-dihydroxy-N-2-pyridinyl-, (Z,Z)- (9CI) | Ethanediimidamide, N,N-dihydroxy-N-2-pyridinyl-, (Z,Z)- (9CI) | C7H9N5O2
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| 27 | 100524-26-3 | 2-[amino(2-phenylhydrazino)methylene]-1-hydroxyhydrazine 1-oxide | 2-[amino(2-phenylhydrazino)methylene]-1-hydroxyhydrazine 1-oxide | C7H9N5O2
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| 28 | | 5-oxo-5,6,7,8-tetrahydroimidazo[1,2-c]pyrimidine-7-carbohydrazide | 5-oxo-5,6,7,8-tetrahydroimidazo[1,2-c]pyrimidine-7-carbohydrazide | C7H9N5O2
| | |
| 29 | 663885-44-7 | | 3-Isopropyl-3,4-dihydro-[1,2,3]triazolo[4,5-d]pyrimidine-5,7-dione | C7H9N5O2
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| 30 | 1189749-64-1 | 7-氨基-2-(甲氧基甲基)[1,2,4]三唑并[1,5-A]嘧啶-5(4H)-酮 | 7-Amino-2-(methoxymethyl)[1,2,4]triazolo-[1,5-a]pyrimidin-5(4H)-one | C7H9N5O2
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| 31 | 2278-11-7 | | 1H-1,2,3-Triazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione,1,4,6-trimethyl- | C7H9N5O2
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| 32 | 1632-30-0 | | 2H-1,2,3-Triazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione, 2,4,6-trimethyl- | C7H9N5O2
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| 33 | 227610-67-5 | 1H-Pyrazolo[1,5-b][1,2,4]triazole-6-carboxylicacid,7-amino-2-ethyl-(9CI) | 1H-Pyrazolo[1,5-b][1,2,4]triazole-6-carboxylicacid,7-amino-2-ethyl-(9CI) | C7H9N5O2
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