succinic anhydride

例句：

1. 1. The 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 is a key intermediate in the synthesis of many plastics.
   这种化学物质是合成许多塑料的关键中间体。
3. 3. Succinic anhydride is also known as succinic acid anhydride.
   琥珀酸酐也被称为琥珀酸酐。