约 119,000 个结果
在新选项卡中打开链接
  1. Butene - Wikipedia

  2. 1-Butene | C4H8 | CID 7844 - PubChem

  3. 1-Butene - Wikipedia

  4. Butene | Alkenes, Polymers, Petrochemicals | Britannica

  5. 1-Butene - NIST Chemistry WebBook

  6. Butene - Definition, Formula, Structure, Preparation and ...

  7. Butene - Simple English Wikipedia, the free encyclopedia