diethy-aceto oxalate

例句：

1. 1. The chemical was used in the synthesis of dyes and pigments.
   这种化学物质用于染料和颜料的合成。
2. 2.The compound is a key intermediate in the production of plastics.
   这种化合物是塑料生产的关键中间体。
3. 3. The process involves using this compound to react with other chemicals to produce new products.
   这个过程涉及使用这种化合物与其他化学品反应以生产新产品。