| 1 | 627-63-4 | 反丁烯二酰氯 | Fumaryl chloride | C4H2Cl2O2
| 中间体 - 医药中间体 | |
| 2 | 22542-53-6 | Noncyclic maleyl chloride | Noncyclic maleyl chloride | C4H2Cl2O2
| | |
| 3 | 62674-12-8 | 3,4-二氯-2(5H)-呋喃酮 | 3,4-DICHLORO-2(5H)-FURANONE | C4H2Cl2O2
| | |
| 4 | 16769-97-4 | (Z)-but-2-enedioyl dichloride | (Z)-but-2-enedioyl dichloride | C4H2Cl2O2
| | |
| 5 | 69188-26-7 | 3-Butenal, 3,4-dichloro-2-oxo- | 3-Butenal, 3,4-dichloro-2-oxo- | C4H2Cl2O2
| | |
| 6 | 133565-92-1 | 2(5H)-Furanone,5,5-dichloro-(9CI) | 2(5H)-Furanone,5,5-dichloro-(9CI) | C4H2Cl2O2
| | |
| 7 | 37899-62-0 | 1,3-Cyclobutanedione, 2,2-dichloro- | 1,3-Cyclobutanedione, 2,2-dichloro- | C4H2Cl2O2
| | |