glycolaldehyde diethyl acetal

例句：

1. 1. This compound is used in the production of polyurethane foam.
   这种化合物用于生产聚氨酯泡沫。
2. 2. The chemical was synthesized using this compound as a starting material.
   该化学物质使用这种化合物作为起始原料进行合成。
3. 3. Glycolaldehyde diethyl acetal is a common intermediate in the synthesis of many pharmaceuticals.
   二甘醇二乙缩醛是许多药物合成中的常见中间体。