| 1 | | AKOS 215-40 | AKOS 215-40 | C5H4N2O3
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| 2 | 1195-08-0 | 尿嘧啶-5-甲醛 | 5-formyluracil | C5H4N2O3
| 嘧啶;杂环化合物;WCHMWL 2018-6-6 1G库存 | |
| 3 | 101654-28-8 | 4-羟基-2-硝基嘧啶 | 2-NITRO-4-PYRIDINOL | C5H4N2O3
| 芳香硝基;化工原料 | |
| 4 | 3345-50-4 | N-氨基甲酰马来酰亚胺 | N-Carbamoylmaleiimide | C5H4N2O3
| 有机化工原料 | |
| 5 | 2403-01-2 | 3-NITROPYRIDINE1-OXIDE | 3-NITROPYRIDINE1-OXIDE | C5H4N2O3
| | |
| 6 | 1124-33-0 | 4-硝基吡啶-N-氧化物 | 4-Nitropyridine N-oxide | C5H4N2O3
| 吡啶;其他;中间体;系列1;化学试剂;通用试剂;有机原料;杂环砌块;医药中间体;吡啶类化合物 | |
| 7 | 1124-82-9 | 4-nitro-1-oxido-pyridine | 4-nitro-1-oxido-pyridine | C5H4N2O3
| | |
| 8 | 15128-08-2 | 3-羟基-2-硝基吡啶 | 3-Hydroxy-2-nitropyridine | C5H4N2O3
| 医药原料;化工原料;化工材料 | |
| 9 | 2403-02-3 | 2-硝基吡啶氮氧化物 | 2-nitro-1-oxidopyridin-1-ium | C5H4N2O3
| | |
| 10 | 213113-45-2 | 2(1H)-Pyridinone,6-nitro-(9CI) | 2(1H)-Pyridinone,6-nitro-(9CI) | C5H4N2O3
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| 11 | 14256-99-6 | 4,6-二羟基-5-醛基嘧啶 | 4,6-Dihydroxy-5-formylpyrimidine | C5H4N2O3
| | |
| 12 | 874-54-4 | 2-Pyrazinecarboxylic Acid 4-Oxide | 2-Pyrazinecarboxylic Acid 4-Oxide | C5H4N2O3
| | |
| 13 | 32046-09-6 | 2-Pyrazinecarboxylic acid, 1-oxide | 2-Pyrazinecarboxylic acid, 1-oxide | C5H4N2O3
| | |
| 14 | 34604-60-9 | 5-羟基吡嗪-2-羧酸 | 5-hydroxypyrazine-3-carboxylic acid | C5H4N2O3
| 吡嗪;通用试剂;医药中间体;杂环化合物 | |
| 15 | 36131-51-8 | 1H-Pyrrole-2-carboxaldehyde,3-nitro- | 1H-Pyrrole-2-carboxaldehyde,3-nitro- | C5H4N2O3
| | |
| 16 | 37972-69-3 | 6-羟基哒嗪-3-羧酸 | 6-hydroxypyridazine-3-carboxylic acid | C5H4N2O3
| 哒嗪;医药中间体 | |
| 17 | 863012-82-2 | Furo[2,3-d]oxazol-6-ol, 2-amino- (9CI) | Furo[2,3-d]oxazol-6-ol, 2-amino- (9CI) | C5H4N2O3
| | |
| 18 | 1321600-00-3 | 4-甲酰-1H-咪唑-5-羧酸 | 4-ForMyl-1H-iMidazole-5-carboxylic acid | C5H4N2O3
| | |
| 19 | 22685-41-2 | 3-Isoxazolecarboxamide,5-formyl-(8CI,9CI) | 3-Isoxazolecarboxamide,5-formyl-(8CI,9CI) | C5H4N2O3
| | |
| 20 | 208984-14-9 | 2(1H)-Pyridinone,3-hydroxy-4-nitroso-(9CI) | 2(1H)-Pyridinone,3-hydroxy-4-nitroso-(9CI) | C5H4N2O3
| | |
| 21 | 20737-42-2 | 3-羟基-2-吡嗪甲酸 | 3-oxo-3,4-dihydropyrazine-2-carboxylic acid | C5H4N2O3
| 吡嗪;医药中间体 | |
| 22 | 38324-83-3 | 2-羟基嘧啶-5-羧酸 | 2-oxo-1,2-dihydropyrimidine-5-carboxylic acid | C5H4N2O3
| | |
| 23 | | 6-OXO-1,6-DIHYDRO-PYRIDAZINE-3-CARBOXYLIC ACID | 6-OXO-1,6-DIHYDRO-PYRIDAZINE-3-CARBOXYLIC ACID | C5H4N2O3
| | |
| 24 | 38157-71-0 | (E)-3-氰基-3-(甲基亚氨基)-2-氧代丙酸 | (E)-3-CYANO-3-(METHYLIMINO)-2-OXOPROPANOIC ACID | C5H4N2O3
| | |
| 25 | 73314-59-7 | 6-甲基糠醛[3,4-C][1,2,5]噁二唑-4(6H)-酮 | 4H,6H-Furo[3,4-c][1,2,5]oxadiazol-4-one, 6-methyl- | C5H4N2O3
| | |
| 26 | 745012-40-2 | 1H-Imidazole-1,3(2H)-dicarboxaldehyde, 2-oxo- (9CI) | 1H-Imidazole-1,3(2H)-dicarboxaldehyde, 2-oxo- (9CI) | C5H4N2O3
| | |
| 27 | 89379-73-7 | 2-氧-3H-嘧啶-4-羧酸 | 4-Pyrimidinecarboxylic acid, 1,2-dihydro-2-oxo- (9CI) | C5H4N2O3
| 嘧啶 | |
| 28 | 35344-94-6 | 4-甲酰-1H-吡唑-5-羧酸 | 4-formyl-1H-pyrazole-3-carboxylic acid(SALTDATA: FREE) | C5H4N2O3
| | |
| 29 | 70450-61-2 | 4,6(1H,5H)-Pyrimidinedione, 5-(hydroxymethylene)- (9CI) | 4,6(1H,5H)-Pyrimidinedione, 5-(hydroxymethylene)- (9CI) | C5H4N2O3
| | |
| 30 | | Acetic acid, 2-(1,5-dihydro-5-oxo-4H-imidazol-4-ylidene)- | Acetic acid, 2-(1,5-dihydro-5-oxo-4H-imidazol-4-ylidene)- | C5H4N2O3
| | |
| 31 | 219818-01-6 | 1(2H)-Pyrimidinecarboxaldehyde, 3,4-dihydro-2,4-dioxo- (9CI) | 1(2H)-Pyrimidinecarboxaldehyde, 3,4-dihydro-2,4-dioxo- (9CI) | C5H4N2O3
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