cyanoacetylene

例句：

1. 1. This compound is used in the synthesis of many important chemicals.
   这种化合物在合成许多重要化学品中被使用。
2. 2.The process involves the reaction of cyanoacetylene with a metal catalyst.
   这个过程涉及氰化乙炔与金属催化剂的反应。
3. 3. Cyanoacetylene is a highly reactive gas that can be used as a fuel for internal combustion engines.
   氰化乙炔是一种高度反应性的气体，可以用作内燃机燃料。