| 1 | 75448-53-2 | Ai3-50216 | Ai3-50216 | C7H8N4O2
| | |
| 2 | 83-67-0 | 可可碱 | Theobromine | C7H8N4O2
| 原料;植提;中药;标准品;调味剂;生物碱;对照品;生化试剂;有机原料;医药原料 | 医药 |
| 3 | 58-55-9 | 茶碱 | Theophylline | C7H8N4O2
| 原料;呼吸类;平喘药;生物碱;标准品;原料药;对照品;有机碱;添加剂;医药原料 | 成品药 |
| 4 | 65566-70-3 | Paraxanthine-d3 | Paraxanthine-d3 | C7H8N4O2
| | |
| 5 | | ANTI-THEOPHYLLINE | ANTI-THEOPHYLLINE | C7H8N4O2
| | |
| 6 | | 1-(2-PYRIDYL)BIURET | 1-(2-PYRIDYL)BIURET | C7H8N4O2
| | |
| 7 | 611-59-6 | 1,7-二甲基黄嘌呤 | 1,7-dimethylxanthine | C7H8N4O2
| 合成;激素 | |
| 8 | 58265-54-6 | THEOPHYLLINE, [8-14C] | THEOPHYLLINE, [8-14C] | C7H8N4O2
| | |
| 9 | | 茶碱(颗粒) | Theophylline(granular) | C7H8N4O2
| | |
| 10 | 2044704-63-2 | Topiroxostat Impurity 6 | Topiroxostat Impurity 6 | C7H8N4O2
| 杂质对照品;对照品-杂质对照品 | |
| 11 | 188297-90-7 | Paraxanthine-1-methyl-D3 | Paraxanthine-1-methyl-D3 | C7H8N4O2
| | |
| 12 | | 1-nitro-3-guanidinobenzene | 1-nitro-3-guanidinobenzene | C7H8N4O2
| | |
| 13 | 37962-92-8 | 9-ethyl-3H-purine-2,6-dione | 9-ethyl-3H-purine-2,6-dione | C7H8N4O2
| | |
| 14 | 148344-28-9 | 4-氨基-3-硝基-苯甲脒 | 4-amino-3-nitrobenzimidamide | C7H8N4O2
| | |
| 15 | | THEOPHYLLINE (2-13C, 1,3-15N2) | THEOPHYLLINE (2-13C, 1,3-15N2) | C7H8N4O2
| | |
| 16 | 15837-08-8 | 2,6-二羟基-3,9-二甲基嘌呤 | 2,6-DIHYDROXY-3,9-DIMETHYLPURINE | C7H8N4O2
| | |
| 17 | 117490-41-2 | 1,7-二甲基黄嘌呤-d6 (二甲基-d6) | 1,7-Dimethylxanthine-(dimethyl-d6) | C7H8N4O2
| 同位素标记物 | |
| 18 | | 3-(ACETYLAMINO)PYRAZINE-2-CARBOXAMIDE | 3-(ACETYLAMINO)PYRAZINE-2-CARBOXAMIDE | C7H8N4O2
| | |
| 19 | 896465-45-5 | 1-(3-Azidopropyl)-1H-pyrrole-2,5-dione | 1-(3-Azidopropyl)-1H-pyrrole-2,5-dione | C7H8N4O2
| | |
| 20 | 98277-30-6 | 4,6-DIMETHOXY-PYRAZOLO[3,4-D]PYRIMIDINE | 4,6-DIMETHOXY-PYRAZOLO[3,4-D]PYRIMIDINE | C7H8N4O2
| | |
| 21 | 220131-58-8 | 5-AMINO-4-CYANO-1-ETHOXYCARBONYLPYRAZOLE | 5-AMINO-4-CYANO-1-ETHOXYCARBONYLPYRAZOLE | C7H8N4O2
| | |
| 22 | 859954-70-4 | 1H-Purine-2,8(3H,7H)-dione, 1,6-dimethyl- | 1H-Purine-2,8(3H,7H)-dione, 1,6-dimethyl- | C7H8N4O2
| | |
| 23 | 60666-23-1 | 3-NITRO-BENZENECARBOXIMIDIC ACID, HYDRAZIDE | 3-NITRO-BENZENECARBOXIMIDIC ACID, HYDRAZIDE | C7H8N4O2
| | |
| 24 | 98277-28-2 | 6,7-Pteridinediol,5,6-dihydro-5-methyl-(6CI) | 6,7-Pteridinediol,5,6-dihydro-5-methyl-(6CI) | C7H8N4O2
| | |
| 25 | 153684-04-9 | 4-Oxazolecarbonyl azide, 2-(1-methylethyl)- | 4-Oxazolecarbonyl azide, 2-(1-methylethyl)- | C7H8N4O2
| | |
| 26 | 61717-06-4 | 1-isopropyl-3-nitro-1H-pyrazole-4-carbonitrile | 1-isopropyl-3-nitro-1H-pyrazole-4-carbonitrile | C7H8N4O2
| | |
| 27 | 1173018-79-5 | 2,6-二羟基-1,7-二甲基嘌呤-13C4,15N3(2,4,5,6-13C4,1,3,9-15N3) | 1,7-Dimethylxanthine-[13C4,15N3] (paraxanthine) | C7H8N4O2
| 同位素标记物 | |
| 28 | 89128-08-5 | 3-(2-甲基-4-硝基-1H-咪唑-1-基)丙腈 | 3-(2-Methyl-4-Nitro-1H-Imidazol-1-yl)Propionitrile | C7H8N4O2
| | |
| 29 | 97205-51-1 | 1-HYDROXYETHYL-5-HYDROXY-1H-PYRAZOLO[3,4-B]PYRAZINE | 1-Hydroxyethyl-5-hydroxy-1H-pyrazolo[3,4-b]pyrazine | C7H8N4O2
| | |
| 30 | 153683-99-9 | 4-Oxazolecarboxaldehyde, 5-azido-2-(1-methylethyl)- | 4-Oxazolecarboxaldehyde, 5-azido-2-(1-methylethyl)- | C7H8N4O2
| | |
| 31 | 101861-36-3 | 6(5H)-Pteridinone,7,8-dihydro-7-hydroxy-5-methyl-(6CI) | 6(5H)-Pteridinone,7,8-dihydro-7-hydroxy-5-methyl-(6CI) | C7H8N4O2
| | |
| 32 | 84095-94-3 | methyl 5-amino-4-cyano-3-methyl-1H-pyrazole-1-carboxylate | methyl 5-amino-4-cyano-3-methyl-1H-pyrazole-1-carboxylate | C7H8N4O2
| | |
| 33 | 1523687-15-1 | (3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methanamine | (3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methanamine | C7H8N4O2
| | |
| 34 | 56536-24-4 | 1,6-二甲基-1H-吡唑并[4,3-D]嘧啶-5,7(4H,6H)-二酮 | 1H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione, 1,6-dimethyl- | C7H8N4O2
| | |
| 35 | 1601273-89-5 | [1,2,4]Triazolo[1,5-a]pyrimidin-5(1H)-one, 2-ethyl-7-hydroxy- | [1,2,4]Triazolo[1,5-a]pyrimidin-5(1H)-one, 2-ethyl-7-hydroxy- | C7H8N4O2
| | |
| 36 | 239077-01-1 | Diazenecarboxylic acid, 2-pyrimidinyl-, ethyl ester (9CI) | Diazenecarboxylic acid, 2-pyrimidinyl-, ethyl ester (9CI) | C7H8N4O2
| | |
| 37 | 2179277-93-9 | (7-氨基-5-甲基-[1,2,5]噁二唑并[3,4-B]吡啶-6-基)甲醇 | (7-Amino-5-methyl-[1,2,5]oxadiazolo[3,4-b]pyridin-6-yl)methanol | C7H8N4O2
| | |
| 38 | 1072895-79-4 | 1,3-Dimethyl-1H,4H,5H,6H,7H-pyrazolo[3,4-d]-pyrimidine-4,6-dione | 1,3-Dimethyl-1H,4H,5H,6H,7H-pyrazolo[3,4-d]-pyrimidine-4,6-dione | C7H8N4O2
| | |
| 39 | 32672-82-5 | 1-(2-HYDROXY-ETHYL)-1,5-DIHYDRO-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE | 4H-Pyrazolo[3,4-d]pyrimidin-4-one,1,5-dihydro-1-(2-hydroxyethyl)- | C7H8N4O2
| | |
| 40 | 444285-07-8 | 1H-Imidazo[4,5-d]pyridazine-4,7-dione, 5-ethyl-5,6-dihydro- (9CI) | 1H-Imidazo[4,5-d]pyridazine-4,7-dione, 5-ethyl-5,6-dihydro- (9CI) | C7H8N4O2
| | |
| 41 | 169298-24-2 | Imidazo[1,5-a]pyrazine-1-carboxamide, 5,6,7,8-tetrahydro-6-oxo- (9CI) | Imidazo[1,5-a]pyrazine-1-carboxamide, 5,6,7,8-tetrahydro-6-oxo- (9CI) | C7H8N4O2
| | |
| 42 | 222056-21-5 | Carbamic acid, 1H-imidazo[1,2-b]pyrazol-7-yl-, methyl ester (9CI) | Carbamic acid, 1H-imidazo[1,2-b]pyrazol-7-yl-, methyl ester (9CI) | C7H8N4O2
| | |
| 43 | 806633-19-2 | 1H-Imidazole-4-carboximidic acid, 5-cyano-2,3-dihydro-2-oxo-, ethyl ester | 1H-Imidazole-4-carboximidic acid, 5-cyano-2,3-dihydro-2-oxo-, ethyl ester | C7H8N4O2
| | |