| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 5780-66-5 | 2-吡嗪甲醛; 吡嗪-2-甲醛 | Pyrazine-2-carbaldehyde; Pyrazinecarboxaldehyde |  | C5H4N2O | 详情 | 供应商 |
| 10070-92-5 | 嘧啶-5-甲醛 | Pyrimidine-5-carboxaldehyde; Pyrimidine-5-carboxyaldehyde |  | C5H4N2O | 详情 | 供应商 |
| 27427-92-5 | 2-嘧啶甲醛 | 2-Pyrimidinecarboxaldehyde; 2-Formylpyrimidine; Pyrimidine-2-aldehyde |  | C5H4N2O | 详情 | 供应商 |
| 5919-15-3 | Furan, 2-(diazomethyl)-(7CI,8CI,9CI); 2-Furyldiazomethane |  | C5H4N2O | 详情 | 供应商 | |
| 672-81-1 | Propanedinitrile,2-(methoxymethylene)-; Malononitrile,(methoxymethylene)- (6CI,7CI,8CI); Propanedinitrile, (methoxymethylene)- (9CI); (Methoxymethylene)malononitrile; a-Cyano-b-methoxyacrylonitrile |  | C5H4N2O | 详情 | 供应商 | |
| 40090-74-2 | 1H-Pyrrole-2-carbonitrile,1-hydroxy-; 1-Hydroxy-2-pyrrolecarbonitrile; 2-Cyano-N-hydroxypyrrole; NSC 219504 |  | C5H4N2O | 详情 | 供应商 | |
| 809533-78-6 | 2-Oxazoleacetonitrile; 2-Cyanomethyl-1,3-oxazole |  | C5H4N2O | 详情 | 供应商 | |
| 57351-99-2 | 磷酸酯淀粉 | 3-Isoxazolecarbonitrile,5-methyl-; 3-Cyano-5-methylisoxazole |  | C5H4N2O | 详情 | 供应商 |
| 2435-50-9 | 嘧啶-4-甲醛 | 4-Pyrimidinecarboxaldehyde; 4-Formylpyrimidine |  | C5H4N2O | 详情 | 供应商 |
| 1003-52-7 | 5-Oxazolecarbonitrile,4-methyl-; 4-Methyl-5-cyanooxazole; 4-Methyl-5-oxazolecarbonitrile; 5-Cyano-4-methyloxazole |  | C5H4N2O | 详情 | 供应商 | |
| 60170-83-4 | 哒嗪-3-甲醛 | 3-PYRIDAZINECARBALDEHYDE,97%; 3-PYRIDAZINECARBALDEHYDE,97%; 3-Pyridazinecarbaldehyde; 3-Pyridazinecarboxaldehyde (6CI, 9CI); pyridazine-3-carbaldehyde |  | C5H4N2O | 详情 | 供应商 |
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