butene-1

例句：

1. 1. This chemical is used in the production of plastics and rubber.
   这种化学物质用于生产塑料和橡胶。
2. 2.Butene-1 is a hydrocarbon with unique properties that make it useful in various industries.
   丁二烯-1是一种具有独特性质的烃，它在各种工业中都有用途。
3. 3. The research team discovered a new method to produce butene-1 from renewable resources.
   研究小组发现了一种从可再生资源中生产丁二烯-1的新方法。