butynediol

例句：

1. 1. This product contains butynediol as a preservative.
   该产品含有丁二醇作为防腐剂。
2. 2.Butynediol is commonly used in the production of polyurethane foams.
   丁二醇常用于生产聚氨酯泡沫。
3. 3.The butynediol content in the wine is an important indicator of its quality.
   葡萄酒中的丁二醇含量是衡量其质量的重要指标。