| 1 | 81281-58-5 | 7-Aminotheophylline | 7-Aminotheophylline | C7H9N5O2
| | |
| 2 | 1379264-18-2 | Ribavirin Impurity O | Ribavirin Impurity O | C7H9N5O2
| | |
| 3 | 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 | |
| 4 | | 8(1-hydroxyethyl)guanine | 8(1-hydroxyethyl)guanine | C7H9N5O2
| | |
| 5 | 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 | |
| 6 | 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
| | |
| 7 | 81281-47-2 | 5-Amino-3,7-dimethylxanthine | 5-Amino-3,7-dimethylxanthine | C7H9N5O2
| | |
| 8 | 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 | |
| 9 | 856854-72-3 | N,N''-pyridine-2,6-diyl-di-urea | N,N''-pyridine-2,6-diyl-di-urea | C7H9N5O2
| | |
| 10 | | 6-(2-Hydroxyethoxy)-9H-purine-2-amine | 6-(2-Hydroxyethoxy)-9H-purine-2-amine | C7H9N5O2
| | |
| 11 | | Pyridine-2,3-di(carboxylic acid hydrazide) | Pyridine-2,3-di(carboxylic acid hydrazide) | C7H9N5O2
| | |
| 12 | | 5-(3-ISOPROPOXY-ISOXAZOL-5-YL)-1H-TETRAZOLE | 5-(3-ISOPROPOXY-ISOXAZOL-5-YL)-1H-TETRAZOLE | C7H9N5O2
| | |
| 13 | 15420-53-8 | 3,5-吡啶二甲酸二酰肼(9CI)) | 3,5-Pyridinedicarboxylicacid,dihydrazide(9CI) | C7H9N5O2
| | |
| 14 | 21379-40-8 | 托匹司他杂质68 | 2,4-Pyridinedicarboxylic acid, 2,4-dihydrazide | C7H9N5O2
| | |
| 15 | 50545-09-0 | N2,N6-二羟基吡啶-2,6-双(甲脒) | N2,N6-Dihydroxypyridine-2,6-bis(carboximidamide) | C7H9N5O2
| | |
| 16 | | 6-(1-Aziridinyl)-4-methyl-5-nitropyrimidin-2-amine | 6-(1-Aziridinyl)-4-methyl-5-nitropyrimidin-2-amine | C7H9N5O2
| | |
| 17 | 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
| | |
| 18 | 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 | |
| 19 | 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
| | |
| 20 | 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
| | |
| 21 | 135329-77-0 | Ethanediimidamide, N,N-dihydroxy-N-2-pyridinyl-, (Z,Z)- (9CI) | Ethanediimidamide, N,N-dihydroxy-N-2-pyridinyl-, (Z,Z)- (9CI) | C7H9N5O2
| | |
| 22 | 100524-26-3 | 2-[amino(2-phenylhydrazino)methylene]-1-hydroxyhydrazine 1-oxide | 2-[amino(2-phenylhydrazino)methylene]-1-hydroxyhydrazine 1-oxide | C7H9N5O2
| | |
| 23 | | 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
| | |
| 24 | 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
| | |
| 25 | 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
| | |